FR2374708A1 - Dispositif de codage pour un appareil de transmissions radio-electriques - Google Patents

Dispositif de codage pour un appareil de transmissions radio-electriques

Info

Publication number
FR2374708A1
FR2374708A1 FR7738022A FR7738022A FR2374708A1 FR 2374708 A1 FR2374708 A1 FR 2374708A1 FR 7738022 A FR7738022 A FR 7738022A FR 7738022 A FR7738022 A FR 7738022A FR 2374708 A1 FR2374708 A1 FR 2374708A1
Authority
FR
France
Prior art keywords
coding
coding device
combs
radio
electric transmission
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
FR7738022A
Other languages
English (en)
French (fr)
Other versions
FR2374708B1 (cs
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of FR2374708A1 publication Critical patent/FR2374708A1/fr
Application granted granted Critical
Publication of FR2374708B1 publication Critical patent/FR2374708B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
    • H03J5/02—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings
    • H03J5/0245—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form
    • H03J5/0272—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form the digital values being used to preset a counter or a frequency divider in a phase locked loop, e.g. frequency synthesizer

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Transceivers (AREA)
  • Transmitters (AREA)
  • Superheterodyne Receivers (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Preliminary Treatment Of Fibers (AREA)
FR7738022A 1976-12-17 1977-12-16 Dispositif de codage pour un appareil de transmissions radio-electriques Granted FR2374708A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK567876A DK141488B (da) 1976-12-17 1976-12-17 Kodelegeme, fortrinsvis til programmering af et radiokommunikationsapparat.

Publications (2)

Publication Number Publication Date
FR2374708A1 true FR2374708A1 (fr) 1978-07-13
FR2374708B1 FR2374708B1 (cs) 1983-03-11

Family

ID=8144423

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7738022A Granted FR2374708A1 (fr) 1976-12-17 1977-12-16 Dispositif de codage pour un appareil de transmissions radio-electriques

Country Status (5)

Country Link
JP (1) JPS5394716A (cs)
DE (1) DE2756202A1 (cs)
DK (1) DK141488B (cs)
FR (1) FR2374708A1 (cs)
GB (1) GB1580960A (cs)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR859777A (fr) * 1939-05-30 1940-12-28 Radio Electr Soc Fr Combinateur à plots pour courants de haute fréquence, notamment commutateur d'ondes pour t. s. f.
FR1207411A (fr) * 1956-11-23 1960-02-16 Thomson Houston Comp Francaise Perfectionnements aux oscillateurs à haute stabilité
GB878041A (en) * 1957-11-07 1961-09-20 Standard Coil Prod Co Inc Frequency selector
US3120585A (en) * 1958-12-09 1964-02-04 Teleregister Corp Rotary switch with replaceable contact sets
US3758751A (en) * 1971-10-06 1973-09-11 Magnavox Co Preset frequency selection system
FR2331200A1 (fr) * 1975-11-05 1977-06-03 Radio As S P Dispositif de codage pour programmer un appareil de liaison radio-electrique
US4057760A (en) * 1976-06-07 1977-11-08 Regency Electronics, Inc. Frequency synthesized scanner having conductive programming elements for channel selection

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5425366B2 (cs) * 1971-11-29 1979-08-28
JPS4984304A (cs) * 1972-12-18 1974-08-13
JPS51132796A (en) * 1975-05-14 1976-11-18 Hitachi Denshi Ltd Call sign generating system

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR859777A (fr) * 1939-05-30 1940-12-28 Radio Electr Soc Fr Combinateur à plots pour courants de haute fréquence, notamment commutateur d'ondes pour t. s. f.
FR1207411A (fr) * 1956-11-23 1960-02-16 Thomson Houston Comp Francaise Perfectionnements aux oscillateurs à haute stabilité
GB878041A (en) * 1957-11-07 1961-09-20 Standard Coil Prod Co Inc Frequency selector
US3120585A (en) * 1958-12-09 1964-02-04 Teleregister Corp Rotary switch with replaceable contact sets
US3758751A (en) * 1971-10-06 1973-09-11 Magnavox Co Preset frequency selection system
FR2331200A1 (fr) * 1975-11-05 1977-06-03 Radio As S P Dispositif de codage pour programmer un appareil de liaison radio-electrique
US4057760A (en) * 1976-06-07 1977-11-08 Regency Electronics, Inc. Frequency synthesized scanner having conductive programming elements for channel selection

Also Published As

Publication number Publication date
JPS5394716A (en) 1978-08-19
DK567876A (cs) 1978-06-18
DK141488C (cs) 1980-09-22
DE2756202A1 (de) 1978-06-22
GB1580960A (en) 1980-12-10
FR2374708B1 (cs) 1983-03-11
DK141488B (da) 1980-03-24

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Legal Events

Date Code Title Description
ST Notification of lapse