CA970837A - Memory circuit - Google Patents

Memory circuit

Info

Publication number
CA970837A
CA970837A CA150,461A CA150461A CA970837A CA 970837 A CA970837 A CA 970837A CA 150461 A CA150461 A CA 150461A CA 970837 A CA970837 A CA 970837A
Authority
CA
Canada
Prior art keywords
memory circuit
memory
circuit
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
CA150,461A
Other versions
CA150461S (en
Inventor
John G. Konopka
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.)
WARWICK ELECTRONICS
Original Assignee
WARWICK ELECTRONICS
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 WARWICK ELECTRONICS filed Critical WARWICK ELECTRONICS
Application granted granted Critical
Publication of CA970837A publication Critical patent/CA970837A/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
    • 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
    • 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
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/96—Touch switches
    • H03K17/9645—Resistive touch switches
CA150,461A 1971-10-15 1972-08-29 Memory circuit Expired CA970837A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US18963771A 1971-10-15 1971-10-15

Publications (1)

Publication Number Publication Date
CA970837A true CA970837A (en) 1975-07-08

Family

ID=22698156

Family Applications (1)

Application Number Title Priority Date Filing Date
CA150,461A Expired CA970837A (en) 1971-10-15 1972-08-29 Memory circuit

Country Status (5)

Country Link
US (1) US3746886A (en)
CA (1) CA970837A (en)
DE (1) DE2247462A1 (en)
IT (1) IT972369B (en)
NL (1) NL7212838A (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5234162B2 (en) * 1972-04-27 1977-09-01
JPS5234164B2 (en) * 1972-05-08 1977-09-01
CH548138A (en) * 1972-08-04 1974-04-11 Contraves Ag MULTISTABLE CIRCUIT ARRANGEMENT.
NL7211592A (en) * 1972-08-25 1974-02-27
JPS49106701A (en) * 1973-02-10 1974-10-09
US3859610A (en) * 1974-02-25 1975-01-07 Gte Sylvania Inc Signal channel address system
US3899760A (en) * 1974-05-17 1975-08-12 Gte Sylvania Inc Electronic channel address remote control system
US3953801A (en) * 1974-06-03 1976-04-27 Zenith Radio Corporation Receiver digital control system
GB1513562A (en) * 1975-02-19 1978-06-07 Fidelity Radio Ltd Electrical apparatus including a touch-operated control device
US5943491A (en) * 1997-10-20 1999-08-24 Sun Microsystems, Inc. Control circuit of mutual exclusion elements
JP5118389B2 (en) * 2007-05-26 2013-01-16 中村製作所株式会社 Method for forming recess in workpiece

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2691725A (en) * 1950-05-12 1954-10-12 James M Gardner Pretuning and automatic station selecting device
US3047817A (en) * 1958-02-24 1962-07-31 Gen Dynamics Corp Electronic ring circuit distributor including selectable interrupting means and output gates to provide non-overlapping operation
US3290515A (en) * 1963-05-28 1966-12-06 Samuel A Procter Controlled pulse progression circuits with complementary transistors
US3345569A (en) * 1964-01-06 1967-10-03 Motorola Inc Electronic control circuit including counter for selectively actuating one of a plurality of units
US3503018A (en) * 1967-12-18 1970-03-24 Electrohome Ltd Tuning of receivers such as radio or television receivers using trigger devices for selection
US3528044A (en) * 1968-06-19 1970-09-08 Standard Kollsman Ind Inc Touch controlled tv channel selector comprising a plurality of bistable switching circuits
US3596183A (en) * 1969-04-18 1971-07-27 Motorola Inc Multiband tuning control system with programmable electronic switching
US3602822A (en) * 1969-05-29 1971-08-31 Rca Corp Television electronic control circuit for channel selections

Also Published As

Publication number Publication date
US3746886A (en) 1973-07-17
DE2247462A1 (en) 1973-05-24
IT972369B (en) 1974-05-20
NL7212838A (en) 1973-04-17

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