GB889254A - Improvements in or relating to automatic tuning arrangements - Google Patents

Improvements in or relating to automatic tuning arrangements

Info

Publication number: GB889254A
Authority: GB; United Kingdom
Prior art keywords: stepping mechanism; voltage; july; series; responding
Prior art date: 1957-07-12
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

GB22194/60A

Other languages

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.)

Philips Electrical Industries Ltd

Original Assignee

Philips Electrical Industries 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.)

1957-07-12

Filing date

1958-07-10

Publication date

1962-02-14

1958-07-10 Application filed by Philips Electrical Industries Ltd filed Critical Philips Electrical Industries Ltd

1962-02-14 Publication of GB889254A publication Critical patent/GB889254A/en

Status Expired legal-status Critical Current

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
- H03J5/24—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 a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection
- H03J5/242—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 a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection used exclusively for band selection
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
- H03J7/18—Automatic scanning over a band of frequencies
- H03J7/30—Automatic scanning over a band of frequencies where the scanning is accomplished by mechanical means, e.g. by a motor

Landscapes

Relay Circuits (AREA)
Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)

GB22194/60A 1957-07-12 1958-07-10 Improvements in or relating to automatic tuning arrangements Expired GB889254A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR889254X		1957-07-12

Publications (1)

Publication Number	Publication Date
GB889254A true GB889254A (en)	1962-02-14

Family

ID=9377104

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB22194/60A Expired GB889254A (en)	1957-07-12	1958-07-10	Improvements in or relating to automatic tuning arrangements

Country Status (4)

Country	Link
BE (1)	BE569403A (xx)
DE (1)	DE1061839B (xx)
GB (1)	GB889254A (xx)
NL (2)	NL229528A (xx)

0
- NL NL111814D patent/NL111814C/xx active
- BE BE569403D patent/BE569403A/xx unknown
- NL NL229528D patent/NL229528A/xx unknown
1958
- 1958-07-10 GB GB22194/60A patent/GB889254A/en not_active Expired
- 1958-07-11 DE DEN15337A patent/DE1061839B/de active Pending

Also Published As

Publication number	Publication date
BE569403A (xx)
NL111814C (xx)
NL229528A (xx)
DE1061839B (de)	1959-07-23

Similar Documents

Publication	Publication Date	Title
US2326737A (en)	1943-08-17	Radio receiver
US2274992A (en)	1942-03-03	Electrical timing circuit
GB889254A (en)	1962-02-14	Improvements in or relating to automatic tuning arrangements
GB973726A (en)	1964-10-28	Diode tuned circuits
GB832528A (en)	1960-04-13	End stop circuit for servo systems
ES402827A1 (es)	1975-04-16	Perfeccionamientos en circuitos de control automatico de sintonizacion para receptores de television.
US3183414A (en)	1965-05-11	Noise suppressor system
JPS56166616A (en)	1981-12-21	Filter switching circuit
US2133128A (en)	1938-10-11	Selectivity control
GB1232200A (xx)	1971-05-19
GB620749A (en)	1949-03-30	Improvements in or relating to switching arrangements for radio receiving or transmitting apparatus
US2654839A (en)	1953-10-06	Electric pulse generator
GB1204020A (en)	1970-09-03	Improvements in and relating to electric charge amplifiers
GB680824A (en)	1952-10-15	Improvements relating to band-pass coupling circuits
GB475900A (en)	1937-11-29	Improvements in or relating to wireless receiving apparatus
JPS55144589A (en)	1980-11-11	Pulse counting type timer
GB596027A (en)	1947-12-24	Improvements in or relating to thermionic valve signalling systems
JPS5348441A (en)	1978-05-01	Signal adjusting device
GB656199A (en)	1951-08-15	Improvements in or relating to electric signalling systems
GB580905A (en)	1946-09-24	Improvements relating to the use and to the control of radio-receiving sets
GB743884A (en)	1956-01-25	Short-wave treatment apparatus
GB1048574A (en)	1966-11-16	Pulse-doubling relay circuit
GB956745A (en)	1964-04-29	Control system
GB600609A (en)	1948-04-14	Improvements in electrical control apparatus
GB559375A (en)	1944-02-16	Improvements relating to dynamo regulators