FR2334241A1 - Appareil selecteur de canaux notamment pour recepteurs radiophoniques ou de television - Google Patents

Appareil selecteur de canaux notamment pour recepteurs radiophoniques ou de television

Info

Publication number
FR2334241A1
FR2334241A1 FR7636033A FR7636033A FR2334241A1 FR 2334241 A1 FR2334241 A1 FR 2334241A1 FR 7636033 A FR7636033 A FR 7636033A FR 7636033 A FR7636033 A FR 7636033A FR 2334241 A1 FR2334241 A1 FR 2334241A1
Authority
FR
France
Prior art keywords
radio
television receivers
channel selector
selector device
device especially
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
FR7636033A
Other languages
English (en)
French (fr)
Other versions
FR2334241B1 (enExample
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of FR2334241A1 publication Critical patent/FR2334241A1/fr
Application granted granted Critical
Publication of FR2334241B1 publication Critical patent/FR2334241B1/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
    • H03J5/0254—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 transfered to a D/A converter
    • H03J5/0263—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 transfered to a D/A converter the digital values being held in an auxiliary non erasable memory

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Circuits Of Receivers In General (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)
FR7636033A 1975-12-01 1976-11-30 Appareil selecteur de canaux notamment pour recepteurs radiophoniques ou de television Granted FR2334241A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50143638A JPS5267201A (en) 1975-12-01 1975-12-01 Station selecting unit

Publications (2)

Publication Number Publication Date
FR2334241A1 true FR2334241A1 (fr) 1977-07-01
FR2334241B1 FR2334241B1 (enExample) 1982-08-20

Family

ID=15343412

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7636033A Granted FR2334241A1 (fr) 1975-12-01 1976-11-30 Appareil selecteur de canaux notamment pour recepteurs radiophoniques ou de television

Country Status (7)

Country Link
US (1) US4209751A (enExample)
JP (1) JPS5267201A (enExample)
CA (1) CA1075838A (enExample)
DE (1) DE2654081C2 (enExample)
FR (1) FR2334241A1 (enExample)
GB (1) GB1521608A (enExample)
NL (1) NL186548C (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2331916A1 (fr) * 1975-11-11 1977-06-10 Indesit Agencement de circuits a synthese de frequence pour l'accord de postes recepteurs
FR2350004A1 (fr) * 1976-04-28 1977-11-25 Matsushita Electric Industrial Co Ltd Selecteur de canaux

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55102934A (en) * 1979-02-01 1980-08-06 Sony Corp Variable frequency oscillation circuit
US4317225A (en) * 1979-05-30 1982-02-23 Rca Corporation Channel identification apparatus useful in a sweep type tuning system
NZ193794A (en) * 1979-05-30 1984-03-30 Rca Corp Channel identification in multiband sweep tuning system
US4291413A (en) * 1979-09-28 1981-09-22 Rca Corporation Search type tuning system with direct address channel selection apparatus
US4368541A (en) * 1980-06-30 1983-01-11 Evans Robert M Multiplexing arrangement for a plurality of voltage controlled filters
US4402089A (en) * 1981-09-16 1983-08-30 Rca Corporation Television tuning system with electronic frequency adjustment apparatus
GB2155263A (en) * 1984-03-02 1985-09-18 Philips Electronic Associated Frequency synthesised multichannel radio apparatus
JPH0738719B2 (ja) * 1984-08-20 1995-04-26 パイオニア株式会社 Ｃａｔｖ端末のチャンネル設定装置
US6028889A (en) * 1998-02-25 2000-02-22 Lucent Technologies, Inc. Pipelined fast hadamard transform
RU2132111C1 (ru) * 1998-05-26 1999-06-20 Военная академия связи Устройство автоматического поиска сигналов радиостанций
RU2202853C2 (ru) * 2001-04-10 2003-04-20 Курский государственный технический университет Устройство автоматического поиска сигналов радиостанций

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2266983A1 (enExample) * 1974-04-03 1975-10-31 Texas Instruments Inc

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3588706A (en) * 1967-07-24 1971-06-28 Matsushita Electric Industrial Co Ltd Automatic tuning receiver
US3593801A (en) * 1969-11-26 1971-07-20 Joseph S De Palma Fluid-actuated fire extinguisher
US3792355A (en) * 1970-12-11 1974-02-12 Hitachi Ltd Orthogonal transformation circuit using hadamard matrices
US3810019A (en) * 1972-09-25 1974-05-07 Sperry Rand Corp Multifrequency communication system for fading channels
JPS5325721B2 (enExample) * 1973-11-07 1978-07-28
FR2251960B1 (enExample) * 1973-11-16 1977-08-12 Thomson Csf
PL89827B1 (enExample) * 1974-05-06 1976-12-31
JPS5415164B2 (enExample) * 1974-05-20 1979-06-13
US4001563A (en) * 1974-09-17 1977-01-04 Thomson-Csf Communication system for disseminating coded digital data in analogue form utilizing an orthogonal transformation
US4013957A (en) * 1975-04-26 1977-03-22 Kanda Tsushin Kogyo Co., Ltd. Channel-selecting apparatus for a multichannel transceiver
US3984626A (en) * 1975-08-01 1976-10-05 Bell Telephone Laboratories, Incorporated Picture signal coder
US4080659A (en) * 1977-02-28 1978-03-21 Francini Joseph P Multi-mode file storage calculator

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2266983A1 (enExample) * 1974-04-03 1975-10-31 Texas Instruments Inc

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
EXBK/75 *
NV1180/71 *
NV8054/73 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2331916A1 (fr) * 1975-11-11 1977-06-10 Indesit Agencement de circuits a synthese de frequence pour l'accord de postes recepteurs
FR2350004A1 (fr) * 1976-04-28 1977-11-25 Matsushita Electric Industrial Co Ltd Selecteur de canaux

Also Published As

Publication number Publication date
NL186548B (nl) 1990-07-16
GB1521608A (en) 1978-08-16
NL186548C (nl) 1990-12-17
CA1075838A (en) 1980-04-15
JPS5746690B2 (enExample) 1982-10-05
AU1994676A (en) 1978-05-25
US4209751A (en) 1980-06-24
FR2334241B1 (enExample) 1982-08-20
DE2654081A1 (de) 1977-06-08
JPS5267201A (en) 1977-06-03
DE2654081C2 (de) 1982-06-16
NL7613308A (nl) 1977-06-03

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Legal Events

Date Code Title Description
ST Notification of lapse