FR872704A - Solenoid Cryptographic Typewriter - Google Patents

Solenoid Cryptographic Typewriter

Info

Publication number
FR872704A
FR872704A FR872704DA FR872704A FR 872704 A FR872704 A FR 872704A FR 872704D A FR872704D A FR 872704DA FR 872704 A FR872704 A FR 872704A
Authority
FR
France
Prior art keywords
typewriter
cryptographic
solenoid
solenoid cryptographic
cryptographic typewriter
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
Other languages
French (fr)
Inventor
Paul T Carew
William F Werner
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 filed Critical
Application granted granted Critical
Publication of FR872704A publication Critical patent/FR872704A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09C—CIPHERING OR DECIPHERING APPARATUS FOR CRYPTOGRAPHIC OR OTHER PURPOSES INVOLVING THE NEED FOR SECRECY
    • G09C3/00—Typewriters for ciphering or deciphering cryptographic text
    • G09C3/04—Typewriters for ciphering or deciphering cryptographic text wherein the operative connections between the keys and the type-bars are automatically and continuously permuted, during operation, by a coding or key member
    • G09C3/06—Typewriters for ciphering or deciphering cryptographic text wherein the operative connections between the keys and the type-bars are automatically and continuously permuted, during operation, by a coding or key member the connections being mechanical
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09C—CIPHERING OR DECIPHERING APPARATUS FOR CRYPTOGRAPHIC OR OTHER PURPOSES INVOLVING THE NEED FOR SECRECY
    • G09C3/00—Typewriters for ciphering or deciphering cryptographic text
    • G09C3/04—Typewriters for ciphering or deciphering cryptographic text wherein the operative connections between the keys and the type-bars are automatically and continuously permuted, during operation, by a coding or key member
    • G09C3/08—Typewriters for ciphering or deciphering cryptographic text wherein the operative connections between the keys and the type-bars are automatically and continuously permuted, during operation, by a coding or key member the connections being electrical
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/18—Circuit arrangements for obtaining desired operating characteristics, e.g. for slow operation, for sequential energisation of windings, for high-speed energisation of windings
    • H01F7/1805—Circuit arrangements for holding the operation of electromagnets or for holding the armature in attracted position with reduced energising current

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Power Engineering (AREA)
  • Accessory Devices And Overall Control Thereof (AREA)
  • Common Mechanisms (AREA)
  • Electromagnets (AREA)
FR872704D 1936-05-18 1940-02-10 Solenoid Cryptographic Typewriter Expired FR872704A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US80389A US2190649A (en) 1936-05-18 1936-05-18 Solenoid cryptographic typewriter
GB1615/40A GB538309A (en) 1936-05-18 1940-01-26 Cryptographic typewriter
FR872704T 1940-02-10

Publications (1)

Publication Number Publication Date
FR872704A true FR872704A (en) 1942-06-17

Family

ID=9725003

Family Applications (1)

Application Number Title Priority Date Filing Date
FR872704D Expired FR872704A (en) 1936-05-18 1940-02-10 Solenoid Cryptographic Typewriter

Country Status (3)

Country Link
US (2) US2190649A (en)
FR (1) FR872704A (en)
GB (1) GB538309A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2445561A (en) * 1942-10-07 1948-07-20 Borg Warner Electromagnetic actuator
US2473598A (en) * 1945-12-03 1949-06-21 George H Leland Fabricated rotary solenoid
NL178626B (en) * 1952-05-28 Flaekt Ab DEVICE FOR CLIMATE CONTROL OF A ROOM WITH AT LEAST ONE LIGHTING FITTINGS.
US2841669A (en) * 1955-11-29 1958-07-01 Gen Electric Solenoid-operated relay
US3249199A (en) * 1963-05-22 1966-05-03 Navigation Computer Corp Electronic keyboard control system
US3330994A (en) * 1964-12-28 1967-07-11 Ite Circuit Breaker Ltd Electromagnet
US3391292A (en) * 1965-06-16 1968-07-02 Elizalde Pedro Esparza Brakes utilizing parasitic electric currents
US3903777A (en) * 1971-04-07 1975-09-09 George Douglas Corbett Electromagnetic valve for wind-pipe organs

Also Published As

Publication number Publication date
GB538309A (en) 1941-07-29
US2190650A (en) 1940-02-20
US2190649A (en) 1940-02-20

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