JPS5762628A - Pressure detection switch circuit - Google Patents

Pressure detection switch circuit

Info

Publication number
JPS5762628A
JPS5762628A JP13839480A JP13839480A JPS5762628A JP S5762628 A JPS5762628 A JP S5762628A JP 13839480 A JP13839480 A JP 13839480A JP 13839480 A JP13839480 A JP 13839480A JP S5762628 A JPS5762628 A JP S5762628A
Authority
JP
Japan
Prior art keywords
clock signals
latch circuit
pressure detection
pressure
variance
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.)
Pending
Application number
JP13839480A
Other languages
Japanese (ja)
Inventor
Hiroshi Nonaka
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.)
Seiko Instruments Inc
Original Assignee
Seiko 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
Application filed by Seiko Instruments Inc filed Critical Seiko Instruments Inc
Priority to JP13839480A priority Critical patent/JPS5762628A/en
Publication of JPS5762628A publication Critical patent/JPS5762628A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking

Landscapes

  • Switches Operated By Changes In Physical Conditions (AREA)
  • Push-Button Switches (AREA)
  • Electronic Switches (AREA)

Abstract

PURPOSE:To make switching with a proper depression sensitivity possible, by absorbing the variance for applied pressure of an external member such as a button, the variance of a resistance for applied pressure of a pressure sensitive conductive rubber, etc. CONSTITUTION:Resistances R50, R60, and R70 are connected in series with a pressure sensitive conductive rubber 12, and they are selected by clock signals CL40, CL50 and CL60 respectively. Clock signals CL10-CL30 to determine one input voltage Va of a voltage comparing circuit 13 turn on transistors T10-T30 to determine the input voltage. The signal compared by clock signals CL10-CL40 is read into D type flip flops F90, F80, and F70 of the first latch circuit successively by clock signals CL150-CL140 and CL130 and is outputted to respective Q outputs. The second latch circuit 3 controls the function, by which output data of the first latch circuit 22 is latched again, and a gate circuit which outputs pressure detection data.
JP13839480A 1980-10-03 1980-10-03 Pressure detection switch circuit Pending JPS5762628A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13839480A JPS5762628A (en) 1980-10-03 1980-10-03 Pressure detection switch circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13839480A JPS5762628A (en) 1980-10-03 1980-10-03 Pressure detection switch circuit

Publications (1)

Publication Number Publication Date
JPS5762628A true JPS5762628A (en) 1982-04-15

Family

ID=15220913

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13839480A Pending JPS5762628A (en) 1980-10-03 1980-10-03 Pressure detection switch circuit

Country Status (1)

Country Link
JP (1) JPS5762628A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58180980A (en) * 1982-04-16 1983-10-22 Shiojiri Kogyo Kk Electronic wrist watch
JPH0581977A (en) * 1991-09-24 1993-04-02 Inaba Rubber Kk Tactile sensor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58180980A (en) * 1982-04-16 1983-10-22 Shiojiri Kogyo Kk Electronic wrist watch
JPH0581977A (en) * 1991-09-24 1993-04-02 Inaba Rubber Kk Tactile sensor

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