GB1511016A - Selectro system - Google Patents

Selectro system

Info

Publication number
GB1511016A
GB1511016A GB20427/75A GB2042775A GB1511016A GB 1511016 A GB1511016 A GB 1511016A GB 20427/75 A GB20427/75 A GB 20427/75A GB 2042775 A GB2042775 A GB 2042775A GB 1511016 A GB1511016 A GB 1511016A
Authority
GB
United Kingdom
Prior art keywords
output
channel
outputs
pair
input
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
GB20427/75A
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.)
Texas Instruments Inc
Original Assignee
Texas Instruments 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
Priority claimed from US472312A external-priority patent/US3918002A/en
Priority claimed from US472329A external-priority patent/US3914698A/en
Priority claimed from US472311A external-priority patent/US3903433A/en
Application filed by Texas Instruments Inc filed Critical Texas Instruments Inc
Publication of GB1511016A publication Critical patent/GB1511016A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K21/00—Details of pulse counters or frequency dividers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
    • H03J1/18—Control by auxiliary power
    • H03J1/22—Control by auxiliary power with stepping arrangements actuated by control pulses
    • 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
    • H03J5/0227—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 using a counter
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K21/00—Details of pulse counters or frequency dividers
    • H03K21/08—Output circuits

Landscapes

  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Details Of Television Systems (AREA)
  • Selective Calling Equipment (AREA)
GB20427/75A 1974-05-22 1975-05-14 Selectro system Expired GB1511016A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US472312A US3918002A (en) 1974-05-22 1974-05-22 Electronic channel selector system with preset-at-power-on feature
US472329A US3914698A (en) 1974-05-22 1974-05-22 Electronic selector system
US472311A US3903433A (en) 1974-05-22 1974-05-22 Television channel selector

Publications (1)

Publication Number Publication Date
GB1511016A true GB1511016A (en) 1978-05-17

Family

ID=27413202

Family Applications (1)

Application Number Title Priority Date Filing Date
GB20427/75A Expired GB1511016A (en) 1974-05-22 1975-05-14 Selectro system

Country Status (5)

Country Link
JP (1) JPS5124102A (enExample)
BR (1) BR7503224A (enExample)
DE (1) DE2522475A1 (enExample)
FR (1) FR2272532B1 (enExample)
GB (1) GB1511016A (enExample)

Also Published As

Publication number Publication date
BR7503224A (pt) 1976-04-27
JPS5124102A (enExample) 1976-02-26
FR2272532B1 (enExample) 1981-02-06
DE2522475A1 (de) 1975-12-04
FR2272532A1 (enExample) 1975-12-19

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Legal Events

Date Code Title Description
PS Patent sealed
PE20 Patent expired after termination of 20 years

Effective date: 19950513