CA942807A - Switching device for a random selection circuit - Google Patents

Switching device for a random selection circuit

Info

Publication number
CA942807A
CA942807A CA116,922A CA116922A CA942807A CA 942807 A CA942807 A CA 942807A CA 116922 A CA116922 A CA 116922A CA 942807 A CA942807 A CA 942807A
Authority
CA
Canada
Prior art keywords
switching device
selection circuit
random selection
random
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
CA116,922A
Inventor
Oleg Szymber
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.)
GAF Corp
Original Assignee
GAF 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 GAF Corp filed Critical GAF Corp
Application granted granted Critical
Publication of CA942807A publication Critical patent/CA942807A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B23/00—Devices for changing pictures in viewing apparatus or projectors
    • G03B23/02—Devices for changing pictures in viewing apparatus or projectors in which a picture is removed from a stock and returned to the same stock or another one; Magazines therefor
    • G03B23/06—Devices for changing pictures in viewing apparatus or projectors in which a picture is removed from a stock and returned to the same stock or another one; Magazines therefor with rotary movement
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B23/00—Devices for changing pictures in viewing apparatus or projectors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
    • H01H19/54—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand the operating part having at least five or an unspecified number of operative positions
    • H01H19/56—Angularly-movable actuating part carrying contacts, e.g. drum switch
    • H01H19/58—Angularly-movable actuating part carrying contacts, e.g. drum switch having only axial contact pressure, e.g. disc switch, wafer switch
    • H01H19/585—Angularly-movable actuating part carrying contacts, e.g. drum switch having only axial contact pressure, e.g. disc switch, wafer switch provided with printed circuit contacts

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Slide Switches (AREA)
  • Projection Apparatus (AREA)
CA116,922A 1970-06-30 1971-06-29 Switching device for a random selection circuit Expired CA942807A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US5116970A 1970-06-30 1970-06-30

Publications (1)

Publication Number Publication Date
CA942807A true CA942807A (en) 1974-02-26

Family

ID=21969751

Family Applications (1)

Application Number Title Priority Date Filing Date
CA116,922A Expired CA942807A (en) 1970-06-30 1971-06-29 Switching device for a random selection circuit

Country Status (9)

Country Link
JP (1) JPS5139536B1 (en)
BE (1) BE769233A (en)
CA (1) CA942807A (en)
CH (1) CH539332A (en)
DE (2) DE2132297C3 (en)
FR (1) FR2100035A5 (en)
GB (1) GB1361023A (en)
IT (1) IT946268B (en)
NL (1) NL145984B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54123050A (en) * 1978-03-17 1979-09-25 Toshiba Corp Liquid crystal display device
AT387472B (en) * 1981-11-03 1989-01-25 Kapsch Ag ROTARY SWITCH AND / OR ROTATION POTENTIOMETER ARRANGEMENT
JPS58106524A (en) * 1981-12-18 1983-06-24 Mitsubishi Electric Corp Liquid crystal display
GB2129219A (en) * 1982-10-08 1984-05-10 Tsuyama Mfg Co Ltd Switching apparatus
JPS61125U (en) * 1985-04-17 1986-01-06 株式会社日立製作所 liquid crystal display device

Also Published As

Publication number Publication date
NL7108792A (en) 1972-01-03
DE2132297A1 (en) 1972-01-05
DE2132297C3 (en) 1974-02-07
IT946268B (en) 1973-05-21
JPS5139536B1 (en) 1976-10-28
DE2132297B2 (en) 1973-07-12
NL145984B (en) 1975-05-15
CH539332A (en) 1973-07-15
GB1361023A (en) 1974-07-24
BE769233A (en) 1971-11-03
DE7124972U (en) 1971-11-04
FR2100035A5 (en) 1972-03-17

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