FR685005A - Tuning device for receiving stations - Google Patents

Tuning device for receiving stations

Info

Publication number
FR685005A
FR685005A FR685005DA FR685005A FR 685005 A FR685005 A FR 685005A FR 685005D A FR685005D A FR 685005DA FR 685005 A FR685005 A FR 685005A
Authority
FR
France
Prior art keywords
receiving stations
tuning device
tuning
stations
receiving
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.)
Expired
Application number
Other languages
French (fr)
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.)
Parlophone Records Ltd
Original Assignee
Gramophone 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 Gramophone Co Ltd filed Critical Gramophone Co Ltd
Application granted granted Critical
Publication of FR685005A publication Critical patent/FR685005A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J3/00—Continuous tuning
    • H03J3/28—Continuous tuning of more than one resonant circuit simultaneously, the tuning frequencies of the circuits having a substantially constant difference throughout the tuning range
FR685005D 1929-01-09 1929-11-15 Tuning device for receiving stations Expired FR685005A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB844/29A GB327710A (en) 1929-01-09 1929-01-09 Improvements in or relating to tuning devices for wireless receivers

Publications (1)

Publication Number Publication Date
FR685005A true FR685005A (en) 1930-07-03

Family

ID=9711435

Family Applications (1)

Application Number Title Priority Date Filing Date
FR685005D Expired FR685005A (en) 1929-01-09 1929-11-15 Tuning device for receiving stations

Country Status (3)

Country Link
US (1) US1912616A (en)
FR (1) FR685005A (en)
GB (1) GB327710A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR805703A (en) * 1935-05-03 1936-11-27 Rca Corp Automatic frequency control system for superheterodyne receiver
DE970231C (en) * 1939-10-16 1958-08-28 Philips Nv Broadcast radio with spread spectrum in one or more shortwave bands
FR957376A (en) * 1940-07-09 1950-02-18
DE970584C (en) * 1940-09-01 1958-10-09 Georg Von Schaub Tuning arrangement with band spreading for several shortwave bands
DE761144C (en) * 1941-01-27 1952-11-10 Telefunken Gmbh Receiver with spread spectrum in the shortwave range
NL88017C (en) * 1949-02-16
US3249875A (en) * 1961-03-29 1966-05-03 Motorola Inc Radio receiver

Also Published As

Publication number Publication date
GB327710A (en) 1930-04-09
US1912616A (en) 1933-06-06

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