TRANSMISSION (transmission systems for measured values, control or similar signals G08C; speech analysis or synthesis G10L; coding, decoding or code conversion, in general H03M; broadcast communication H04H; multiplex systems H04J; secret communication H04K; transmission of digital information H04L; wireless communication networks H04W)
| Subclass | Title |
|---|---|
| 1/00 | 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 (tuning resonant circuits H03J) |
| 1/02 | 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 (tuning resonant circuits H03J) Transmitters (spatial arrangements of component circuits in radio pills for living beings A61B 5/07) |
| 1/03 | 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 (tuning resonant circuits H03J) Transmitters (spatial arrangements of component circuits in radio pills for living beings A61B 5/07) Constructional details, e.g. casings, housings |
| 1/034 | 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 (tuning resonant circuits H03J) Transmitters (spatial arrangements of component circuits in radio pills for living beings A61B 5/07) Constructional details, e.g. casings, housings Portable transmitters |
| 1/036 | 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 (tuning resonant circuits H03J) Transmitters (spatial arrangements of component circuits in radio pills for living beings A61B 5/07) Constructional details, e.g. casings, housings Cooling arrangements (cooling transformers H01F 27/08; cooling discharge tubes H01J 7/24, H01J 19/74) |
| 1/04 | 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 (tuning resonant circuits H03J) Transmitters (spatial arrangements of component circuits in radio pills for living beings A61B 5/07) Circuits (of television transmitters H04N 5/38) |
| 1/06 | 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 (tuning resonant circuits H03J) Receivers (control of amplification H03G; television receivers H04N 5/44, H04N 5/64) |
| 1/08 | 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 (tuning resonant circuits H03J) Receivers (control of amplification H03G; television receivers H04N 5/44, H04N 5/64) Constructional details, e.g. cabinet |
| 1/10 | 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 (tuning resonant circuits H03J) Receivers (control of amplification H03G; television receivers H04N 5/44, H04N 5/64) Means associated with receiver for limiting or suppressing noise or interference |
| 1/12 | 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 (tuning resonant circuits H03J) Receivers (control of amplification H03G; television receivers H04N 5/44, H04N 5/64) Means associated with receiver for limiting or suppressing noise or interference Neutralising, balancing, or compensation arrangements |
| 1/14 | 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 (tuning resonant circuits H03J) Receivers (control of amplification H03G; television receivers H04N 5/44, H04N 5/64) Means associated with receiver for limiting or suppressing noise or interference Automatic detuning arrangements |
| 1/16 | 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 (tuning resonant circuits H03J) Receivers (control of amplification H03G; television receivers H04N 5/44, H04N 5/64) Circuits |
| 1/18 | 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 (tuning resonant circuits H03J) Receivers (control of amplification H03G; television receivers H04N 5/44, H04N 5/64) Circuits Input circuits, e.g. for coupling to an aerial or a transmission line (input circuits for amplifiers in general H03F; coupling networks between aerials or lines and receivers independent of the nature of the receiver H03H) |
| 1/20 | 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 (tuning resonant circuits H03J) Receivers (control of amplification H03G; television receivers H04N 5/44, H04N 5/64) Circuits for coupling gramophone pick-up, recorder output, or microphone to receiver |
| 1/22 | 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 (tuning resonant circuits H03J) Receivers (control of amplification H03G; television receivers H04N 5/44, H04N 5/64) Circuits for receivers in which no local oscillation is generated |
| 1/24 | 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 (tuning resonant circuits H03J) Receivers (control of amplification H03G; television receivers H04N 5/44, H04N 5/64) Circuits for receivers in which no local oscillation is generated the receiver comprising at least one semiconductor device having three or more electrodes |
| 1/26 | 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 (tuning resonant circuits H03J) Receivers (control of amplification H03G; television receivers H04N 5/44, H04N 5/64) Circuits for superheterodyne receivers (multiple frequency-changing H03D 7/16) |
| 1/28 | 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 (tuning resonant circuits H03J) Receivers (control of amplification H03G; television receivers H04N 5/44, H04N 5/64) Circuits for superheterodyne receivers (multiple frequency-changing H03D 7/16) the receiver comprising at least one semiconductor device having three or more electrodes |
| 1/30 | 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 (tuning resonant circuits H03J) Receivers (control of amplification H03G; television receivers H04N 5/44, H04N 5/64) Circuits for homodyne or synchrodyne receivers (demodulator circuits H03D 1/22) |
| 1/38 | 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 (tuning resonant circuits H03J) 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 |
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