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This page displays all 「FI」 in main group H04B1/00. |
HB:Handbook | ||||
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CC:Concordance | |||||
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Details of transmission systems, not covered by a single one of groups H04B 3/00-H04B 13/00; Details of transmission systems not characterised by the medium used for transmission [2006.01] | HB | CC | 5K054 | |
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.software wireless [SDR] system | HB | CC | 5K054 | |
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..AD conversion or DA conversion at wireless frequency stage or intermediate frequency stage | HB | CC | 5K054 | |
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...channel filtering, i.e. select frequency channel within software wireless system | HB | CC | 5K054 | |
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...execute orthogonal modulation-demodulation in DSP | HB | CC | 5K054 | |
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...digital filtering (H04B1/00 110 takes precedence; digital filtering per se H03H17/00) | HB | CC | 5K054 | |
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...decimation, i.e. technique to decrease date rate (H04B1/00 125 takes precedence) | HB | CC | 5K054 | |
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...using sampling rate lower than twice the highest frequency ingredient among sample signal | HB | CC | 5K054 | |
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..AD conversion or DA conversion at base band stage | HB | CC | 5K054 | |
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...accommodating analogue orthogonal frequency modulation to or from base band (orthogonal frequency modulation-demodulation per se H03C3/40) | HB | CC | 5K054 | |
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...channel filtering, i.e. select frequency channel within software wireless system | HB | CC | 5K054 | |
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...execute orthogonal modulation-demodulation in DSP | HB | CC | 5K054 | |
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...digital filtering (H04B1/00 110 takes precedence; digital filtering per se H03H17/00) | HB | CC | 5K054 | |
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...decimation, i.e. technique to decrease date rate (H04B1/00 125 takes precedence) | HB | CC | 5K054 | |
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.adaptive wireless receiver, transmitter, transceiver acting in multiple bands | HB | CC | 5K054 | |
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..multiple bands sharing common antenna | HB | CC | 5K054 | |
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...using diplex or multiplex filter to select desired band | HB | CC | 5K054 | |
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...using switch to select desired band (HO4B1/00 257 takes precedence) | HB | CC | 5K054 | |
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..multiple bands each having individual antenna (HO4B1/00 253 takes precedence) | HB | CC | 5K054 | |
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..multiple bands sharing common circuit block | HB | CC | 5K054 | |
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...converting multiple bands into common intermediate frequency | HB | CC | 5K054 | |
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...converting multiple bands into different intermediate frequencies | HB | CC | 5K054 | |
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....having common intermediate frequency amplifier | HB | CC | 5K054 | |
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...multiple bands sharing common local oscillator | HB | CC | 5K054 | |
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..full band frequency converted into different full band | HB | CC | 5K054 | |
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.Transmitters [2006.01] | HB | CC | 5K060 | |
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..Constructional details, e.g. casings, housings [2006.01] | HB | CC | 5K060 | |
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General | HB | CC | 5K060 | |
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for distress and rescue | HB | CC | 5K060 | |
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Others | HB | CC | 5K060 | |
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...Portable transmitters [2006.01] | HB | CC | 5K060 | |
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General | HB | CC | 5K060 | |
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for wireless microphones | HB | CC | 5K060 | |
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for remote control | HB | CC | 5K060 | |
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for distress and rescue | HB | CC | 5K060 | |
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Others | HB | CC | 5K060 | |
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...Cooling arrangements [2006.01] | HB | CC | 5K060 | |
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..Circuits [2006.01] | HB | CC | 5K060 | |
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for transmission circuits | HB | CC | 5K060 | |
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Transmission output matching circuit | HB | CC | 5K060 | |
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Transmission start switch control, e.g. press-to-talk switch control | HB | CC | 5K060 | |
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In-service/standby change-over, parallel operation | HB | CC | 5K060 | |
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Transmission level control | HB | CC | 5K060 | |
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related to frequency conversion | HB | CC | 5K060 | |
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SSB system | HB | CC | 5K060 | |
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FM or PM system | HB | CC | 5K060 | |
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characterized by the modulation system other than SSB, FM, and PM | HB | CC | 5K060 | |
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Wireless microphone circuit | HB | CC | 5K060 | |
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for distress and rescue | HB | CC | 5K060 | |
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for remote control | HB | CC | 5K060 | |
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Protection or prevention of faulty transmission | HB | CC | 5K060 | |
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Power supply circuit | HB | CC | 5K060 | |
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Indication | HB | CC | 5K060 | |
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Distortion or harmonic removal | HB | CC | 5K060 | |
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related to the PLL synthesiser system | HB | CC | 5K060 | |
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Others | HB | CC | 5K060 | |
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.Receivers | HB | CC | 5K061 | |
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Programme reception | HB | CC | 5K061 | |
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Maintenance and management | HB | CC | 5K061 | |
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Others | HB | CC | 5K061 | |
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..Constructional details, e.g. cabinet [2006.01] | HB | CC | 5K016 | |
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Cases, e.g. cabinet, battery case | HB | CC | 5K016 | |
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Installation, e.g. using screws | HB | CC | 5K016 | |
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Multi-function receiver, e.g. with a watch, coupling with eyeglasses | HB | CC | 5K016 | |
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Special shape receiver, e.g. car radio, triangular pole type, ball type, foldable type, cassette type | HB | CC | 5K016 | |
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Accessories, e.g. stand, handle, belt | HB | CC | 5K016 | |
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Indication | HB | CC | 5K016 | |
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Others, e.g. BS converter, tuner, antenna operation unit | HB | CC | 5K016 | |
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..Means associated with receiver for limiting or suppressing noise or interference [2006.01] | HB | CC | 5K052 | |
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against noise or interference contained in the received signal | HB | CC | 5K052 | |
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.Control of the receiver gain according to the noise or interference state, e.g. squelch, muting, noise blanker | HB | CC | 5K052 | |
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..Tone squelch | HB | CC | 5K052 | |
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..combined with another circuit, e.g. AGC, AFC, indication circuit | HB | CC | 5K052 | |
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..characterized by the circuit part in which the gain changes, e.g. amplifier circuit, gate | HB | CC | 5K052 | |
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.Control of the receiver's frequency characteristics according to the noise or interference state | HB | CC | 5K052 | |
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..Control of the notch frequency | HB | CC | 5K052 | |
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.using a noise filter | HB | CC | 5K052 | |
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.using a noise limiter | HB | CC | 5K052 | |
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.using interpolation | HB | CC | 5K052 | |
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.Received signal processed by operation | HB | CC | 5K052 | |
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..Limiting or suppressing the multi-path, e.g. side-lobe canceller | HB | CC | 5K052 | |
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...peculiar to FM receivers | HB | CC | 5K052 | |
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...utilising antenna's directivity | HB | CC | 5K052 | |
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against noise or interference contained in the received signal in the receiver | HB | CC | 5K052 | |
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.against switching noise | HB | CC | 5K052 | |
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.Receiver using PLL | HB | CC | 5K052 | |
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Others | HB | CC | 5K052 | |
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...Neutralising, balancing, or compensation arrangements [2006.01] | HB | CC | 5K052 | |
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...Automatic detuning arrangements [2006.01] | HB | CC | 5K052 | |
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..Circuits [2006.01] | HB | CC | 5K061 | |
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Multi-band receiver, e.g. AM/FM | HB | CC | 5K061 | |
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Indication, e.g. frequency indication, receiving level indication, indication also using multi-path indication | HB | CC | 5K061 | |
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Multi-function receiver, e.g. FM multi-receiver or with a watch (with a tape recorder H04B1/20) | HB | CC | 5K061 | |
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Band control (measures against noise H04B1/10) | HB | CC | 5K061 | |
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Automatic start/stop, i.e. operation by receiving the identification signal; e.g. RDS receiver emergency broadcasting, traffic information | HB | CC | 5K061 | |
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Power supply | HB | CC | 5K061 | |
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Accessory circuits, e.g. AFC, AGC (sensitivity change-over H04B1/18) | HB | CC | 5K061 | |
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Others | HB | CC | 5K061 | |
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...Input circuits, e.g. for coupling to an antenna or a transmission line (coupling networks between antennas or lines and receivers independent of the nature of the receiver H03H) [2006.01] | HB | CC | 5K062 | |
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Antenna circuit | HB | CC | 5K062 | |
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Feeder or booster | HB | CC | 5K062 | |
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Input tuning and high-frequency amplifier circuits | HB | CC | 5K062 | |
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Multi-band system | HB | CC | 5K062 | |
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.for the U-V tuner | HB | CC | 5K062 | |
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for selectivity improvement or evenness | HB | CC | 5K062 | |
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Protection circuit, warning circuit | HB | CC | 5K062 | |
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characterized by electronic tuning | HB | CC | 5K062 | |
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High-frequency switch circuit | HB | CC | 5K062 | |
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for milliwave or microwave | HB | CC | 5K062 | |
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Others | HB | CC | 5K062 | |
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...for coupling gramophone pick-up, recorder output, or microphone to receiver [2006.01] | HB | CC | 5K062 | |
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...for receivers in which no local oscillation is generated [2006.01] | HB | CC | 5K062 | |
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....the receiver comprising at least one semiconductor device having three or more electrodes [2006.01] | HB | CC | 5K062 | |
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...for superheterodyne receivers (multiple frequency-changing H03D 7/16) [2006.01] | HB | CC | 5K020 | |
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characterised by the system | HB | CC | 5K020 | |
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Frequency conversion | HB | CC | 5K020 | |
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Local oscillator | HB | CC | 5K020 | |
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for microwave or milliwave | HB | CC | 5K020 | |
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Multi-band, FM-AM, multi-wave reception | HB | CC | 5K020 | |
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.for the U-V tuner | HB | CC | 5K020 | |
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FM reception | HB | CC | 5K020 | |
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Intermediate frequency circuit | HB | CC | 5K020 | |
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Removal of disturbance or interference (H04B1/26A takes precedence) | HB | CC | 5K020 | |
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Multi-super, former-stage converter | HB | CC | 5K020 | |
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SSB; VSB, telegraphic binary or ternary signals, pulse modulated wave reception | HB | CC | 5K020 | |
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Single-super wideband reception | HB | CC | 5K020 | |
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for CATV | HB | CC | 5K020 | |
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Circuit peculiar to electronic tuning | HB | CC | 5K020 | |
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for measurement detection, e.g. radar | HB | CC | 5K020 | |
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Synthesizer system | HB | CC | 5K020 | |
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.related to channel selection | HB | CC | 5K020 | |
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.related to indication | HB | CC | 5K020 | |
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.VCO feedback loop | HB | CC | 5K020 | |
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.Variable divider, fixed divider | HB | CC | 5K020 | |
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.using band change-over | HB | CC | 5K020 | |
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Others | HB | CC | 5K020 | |
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....the receiver comprising at least one semiconductor device having three or more electrodes [2006.01] | HB | CC | 5K020 | |
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...for homodyne or synchrodyne receivers (demodulator circuits H03D 1/22) [2006.01] | HB | CC | 5K054 | |
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.Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving [1, 2015.01] | HB | CC | 5K011 | |
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..with built-in auxiliary receivers [2015.01] | HB | CC | 5K011 | |
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..Mechanical arrangements for accommodating identification devices, e.g. cards or chips; with connectors for programming identification devices [2015.01] | HB | CC | 5K011 | |
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...Arrangements for facilitating insertion or removal of identification devices [2015.01] | HB | CC | 5K011 | |
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..specially adapted for use in vehicles(H04B1/3827 takes precedence) [2015.01] | HB | CC | 5K011 | |
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..Portable transceivers [2015.01] | HB | CC | 5K011 | |
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...hand carried transceiver | HB | CC | 5K011 | |
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....device to decrease user RF exposure, e.g. change shape of transceiver when in use (means to form antenna pattern H01Q1/245) | HB | CC | 5K011 | |
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...Transceiver carried by human body when transferred, e.g. mounted on helmet | HB | CC | 5K011 | |
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...Arrangements for enabling portable transceivers to be used in a fixed position, e.g. cradles or boosters [2015.01] | HB | CC | 5K011 | |
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...Arrangements for mounting batteries or battery chargers [2015.01] | HB | CC | 5K011 | |
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...Arrangements for carrying or protecting transceivers [2015.01] | HB | CC | 5K011 | |
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..Circuits [1, 2015.01] | HB | CC | 5K011 | |
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...for selecting or indicating operating mode [2015.01] | HB | CC | 5K011 | |
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...using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency [2015.01] | HB | CC | 5K011 | |
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....having one or more transmission mode, e.g. analogue and digital mode | HB | CC | 5K011 | |
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....with multiple discrete channels [2015.01] | HB | CC | 5K011 | |
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....the transmitter oscillator frequency being identical to the receiver local oscillator frequency [2015.01] | HB | CC | 5K011 | |
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...Transmit/receive switching [2006.01] | HB | CC | 5K011 | |
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....by voice-frequency signals; by pilot signals [2006.01] | HB | CC | 5K011 | |
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....in circuit for connecting transmitter and receiver to a common transmission path, e.g. by energy of transmitter [2006.01] | HB | CC | 5K011 | |
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...using different frequencies for the two directions of communication [2006.01] | HB | CC | 5K011 | |
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....Hybrid arrangements, i.e. for transition from single-path two-way transmission to single transmission on each of two paths, or vice versa [1, 2015.01] | HB | CC | 5K011 | |
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.....with means for reducing leakage of transmitter signal into the receiver [2015.01] | HB | CC | 5K011 | |
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...using the same frequency for both directions of communication (H04B 1/44 takes precedence) [2006.01] | HB | CC | 5K011 | |
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....with provision for simultaneous communication in both directions [2006.01] | HB | CC | 5K011 | |
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....Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa [2006.01] | HB | CC | 5K011 | |
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.Responders; Transponders [2006.01] | HB | CC | 5K054 | |
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.Supervising unattended repeaters [2006.01] | HB | CC | 5K042 | |
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.for providing a predistortion of the signal in the transmitter and corresponding correction in the receiver, e.g. for improving the signal/noise ratio [2006.01] | HB | CC | 5K066 | |
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..Volume compression or expansion arrangements [2006.01] | HB | CC | 5K066 | |
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.for reducing bandwidth of signals; for improving efficiency of transmission (H04B1/68 takes precedence) [2006.01] | HB | CC | 5K066 | |
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.for wholly or partially suppressing the carrier or one side band [2006.01] | HB | CC | 5K066 | |
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.Spread spectrum techniques | HB | CC | 5K022 | |
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..Hybrid techniques using combinations of two or more spread spectrum techniques | HB | CC | 5K022 | |
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..using direct sequence modulation | HB | CC | 5K022 | |
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...Synchronisation aspects | HB | CC | 5K022 | |
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....with code phase acquisition | HB | CC | 5K022 | |
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.....Multi-step acquisition, e.g. multi-dwell, coarse-fine or validation | HB | CC | 5K022 | |
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.....Parallel implementation | HB | CC | 5K022 | |
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....Cell search, e.g. using a three-step approach | HB | CC | 5K022 | |
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....using a code tracking loop, e.g. a delay-locked loop | HB | CC | 5K022 | |
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....Carrier synchronisation aspects | HB | CC | 5K022 | |
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...Correlator structure | HB | CC | 5K022 | |
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....Matched filter type | HB | CC | 5K022 | |
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....Sliding correlator type | HB | CC | 5K022 | |
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...Interference-related aspects | HB | CC | 5K022 | |
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....the interference being narrowband interference | HB | CC | 5K022 | |
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....the interference being multiple access interference | HB | CC | 5K022 | |
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.....Joint detection techniques, e.g. linear detectors | HB | CC | 5K022 | |
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.....Subtractive interference cancellation | HB | CC | 5K022 | |
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....the interference being multi-path interference | HB | CC | 5K022 | |
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.....Determination of path profile | HB | CC | 5K022 | |
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.....Constructive combining of multi-path signals, i.e. RAKE receivers [2006.01] | HB | CC | 5K022 | |
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......Selection, re-selection, allocation or re-allocation of paths to fingers, e.g. timing offset control of allocated fingers | HB | CC | 5K022 | |
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......Weighting of fingers for combining, e.g. amplitude control or phase rotation using an inner loop | HB | CC | 5K022 | |
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..using frequency hopping | HB | CC | 5K022 | |
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...Arrangements for generation of hop frequencies, e.g. using a bank of frequency sources, using continuous tuning or using a transform | HB | CC | 5K022 | |
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...Arrangements for generation of hop patterns | HB | CC | 5K022 | |
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...Interference-related aspects | HB | CC | 5K022 | |
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...Arrangements for sequence synchronisation | HB | CC | 5K022 | |
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..using impulse radio | HB | CC | 5K022 | |
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...Pulse-related aspects | HB | CC | 5K022 | |
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...Data mapping, e.g. modulation | HB | CC | 5K022 | |
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...Synchronisation | HB | CC | 5K022 | |
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...Interference-related aspects | HB | CC | 5K022 | |
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.Circuits or components for simulating antennas, e.g. dummy antennas [2006.01] | HB | CC | 5K054 | |
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.for increasing reliability, e.g. using redundant or spare channels or apparatus [2006.01] | HB | CC | 5K021 | |
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.Pilot transmitters or receivers for control of transmission or for equalising [2006.01] | HB | CC | 5K046 | |