GB735326A - Improvements in or relating to fine tuning devices for television receivers - Google Patents

Improvements in or relating to fine tuning devices for television receivers

Info

Publication number
GB735326A
GB735326A GB30570/52A GB3057052A GB735326A GB 735326 A GB735326 A GB 735326A GB 30570/52 A GB30570/52 A GB 30570/52A GB 3057052 A GB3057052 A GB 3057052A GB 735326 A GB735326 A GB 735326A
Authority
GB
United Kingdom
Prior art keywords
relating
coil
fine tuning
television receivers
tuning devices
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
GB30570/52A
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.)
Standard Coil Products Co Inc
Original Assignee
Standard Coil Products Co Inc
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 Standard Coil Products Co Inc filed Critical Standard Coil Products Co Inc
Publication of GB735326A publication Critical patent/GB735326A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H5/00—One-port networks comprising only passive electrical elements as network components
    • H03H5/006—One-port networks comprising only passive electrical elements as network components comprising simultaneously tunable inductance and capacitance

Landscapes

  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)

Abstract

735,326. Inductances. STANDARD COIL PRODUCTS CO., Inc. Dec. 2, 1952 [Dec. 13, 1951], No. 30570/52. Class 38 (2). [Also in Groups XXXVI and XL (c)] A tuning arrangement for a multi-channel television receiver comprises a plurality of tuning inductors printed on rotatable discs as described in Specification 720,374, a further inductor 63 comprises a coil of wire wound round a resistor 62 with which it is connected in parallel as illustrated in Fig. 3 (not shown), the Q of the coil being lowered by the resistor 62 and thus resulting in a broader frequency response. Specification 720,381, [Group XXXVI], also is referred to. Reference, has been directed by the Comptroller to Specification 720,381, [Group XXXVI].
GB30570/52A 1951-12-13 1952-12-02 Improvements in or relating to fine tuning devices for television receivers Expired GB735326A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US261426A US2695963A (en) 1951-12-13 1951-12-13 Fine tuner

Publications (1)

Publication Number Publication Date
GB735326A true GB735326A (en) 1955-08-17

Family

ID=22993252

Family Applications (1)

Application Number Title Priority Date Filing Date
GB30570/52A Expired GB735326A (en) 1951-12-13 1952-12-02 Improvements in or relating to fine tuning devices for television receivers

Country Status (2)

Country Link
US (1) US2695963A (en)
GB (1) GB735326A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2786142A (en) * 1952-11-19 1957-03-19 Du Mont Allen B Lab Inc Electrical tuning device
US2786135A (en) * 1953-01-02 1957-03-19 Mallory & Co Inc P R Television tuner for continuous tuning over two v. h. f. bands and the u. h. f. band
US2883537A (en) * 1954-10-14 1959-04-21 Bendix Aviat Corp Radiosonde transmitter
US3081416A (en) * 1961-04-19 1963-03-12 Itt Step-by-step switch
US3365621A (en) * 1967-03-07 1968-01-23 Gen Electric Vhf tuner for television receiver
JPH01112681A (en) * 1987-07-31 1989-05-01 Toshiba Corp Hybridized printed circuit board

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2341345A (en) * 1940-10-26 1944-02-08 Gen Electric Tuning system
US2385131A (en) * 1943-01-07 1945-09-18 Rca Corp Tuning device for radio circuits
BE462971A (en) * 1944-05-12
US2521963A (en) * 1945-08-27 1950-09-12 Robert M Beusman Inductance capacity tuner and circuit therefor
NL79212C (en) * 1946-05-31
US2558482A (en) * 1949-12-14 1951-06-26 Oak Mfg Co Electrical apparatus

Also Published As

Publication number Publication date
US2695963A (en) 1954-11-30

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