GB1413585A - Motordriven tuning apparatus - Google Patents

Motordriven tuning apparatus

Info

Publication number
GB1413585A
GB1413585A GB2256273A GB2256273A GB1413585A GB 1413585 A GB1413585 A GB 1413585A GB 2256273 A GB2256273 A GB 2256273A GB 2256273 A GB2256273 A GB 2256273A GB 1413585 A GB1413585 A GB 1413585A
Authority
GB
United Kingdom
Prior art keywords
transistor
motor
tuning
channel
switch
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
GB2256273A
Other languages
English (en)
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.)
RCA Corp
Original Assignee
RCA Corp
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 RCA Corp filed Critical RCA Corp
Publication of GB1413585A publication Critical patent/GB1413585A/en
Expired 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
    • H03J5/0218—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, by selecting the corresponding analogue value between a set of preset values
    • H03J5/0236—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, by selecting the corresponding analogue value between a set of preset values with possibility to skip over certain counter positions, i.e. channel skipping, or scanning the counter position with a variable frequency rate
    • 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
    • H03J5/0218—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, by selecting the corresponding analogue value between a set of preset values

Landscapes

  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
GB2256273A 1972-05-15 1973-05-11 Motordriven tuning apparatus Expired GB1413585A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US25341572A 1972-05-15 1972-05-15

Publications (1)

Publication Number Publication Date
GB1413585A true GB1413585A (en) 1975-11-12

Family

ID=22960168

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2256273A Expired GB1413585A (en) 1972-05-15 1973-05-11 Motordriven tuning apparatus

Country Status (4)

Country Link
JP (1) JPS4942227A (https=)
DE (1) DE2324546A1 (https=)
FR (1) FR2184817B1 (https=)
GB (1) GB1413585A (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5163322A (ja) * 1974-11-30 1976-06-01 Mitsubishi Heavy Ind Ltd Yojumetsukihoniokerumetsukiatsusano seigyohoho

Also Published As

Publication number Publication date
FR2184817B1 (https=) 1978-01-06
JPS4942227A (https=) 1974-04-20
DE2324546A1 (de) 1973-11-29
FR2184817A1 (https=) 1973-12-28

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Legal Events

Date Code Title Description
PS Patent sealed