FR872704A - Machine à écrire cryptographique à solénoïdes - Google Patents

Machine à écrire cryptographique à solénoïdes

Info

Publication number: FR872704A
Authority: FR; France
Prior art keywords: typewriter; cryptographic; solenoid; solenoid cryptographic; cryptographic typewriter
Prior art date: 1936-05-18
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

English (en)

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.)

1936-05-18

Filing date

1940-02-10

Publication date

1942-06-17

1940-02-10 Application filed filed Critical

1942-06-17 Application granted granted Critical

1942-06-17 Publication of FR872704A publication Critical patent/FR872704A/fr

Status Expired legal-status Critical Current

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 Machine à écrire cryptographique à solénoïdes Expired FR872704A (fr)

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 (fr)	1942-06-17

Family

ID=9725003

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR872704D Expired FR872704A (fr)	1936-05-18	1940-02-10	Machine à écrire cryptographique à solénoïdes

Country Status (3)

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

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 (nl) *	1952-05-28		Flaekt Ab	Inrichting voor de klimaatregeling van een ruimte met tenminste een verlichtingsarmatuur.
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

1936
- 1936-05-18 US US80389A patent/US2190649A/en not_active Expired - Lifetime
- 1936-09-26 US US102780A patent/US2190650A/en not_active Expired - Lifetime
1940
- 1940-01-26 GB GB1615/40A patent/GB538309A/en not_active Expired
- 1940-02-10 FR FR872704D patent/FR872704A/fr not_active Expired

Also Published As

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

Publication	Publication Date	Title
FR836653A (fr)	1939-01-24	Machine à écrire
FR839157A (fr)	1939-03-28	Machine à imprimer
CH205194A (fr)	1939-06-15	Machine à écrire.
FR821128A (fr)	1937-11-27	Machine à calculer
FR829244A (fr)	1938-06-15	Perfectionnements aux machines à cryptographier
FR830582A (fr)	1938-08-03	Machine sténographique
FR842210A (fr)	1939-06-08	Machine à écrire
FR872704A (fr)	1942-06-17	Machine à écrire cryptographique à solénoïdes
FR824644A (fr)	1938-02-11	Perfectionnements aux machines à écrire
FR816391A (fr)	1937-08-06	Machine à coudre
FR812449A (fr)	1937-05-10	Machine à tricoter
FR828855A (fr)	1938-06-01	Machine à écrire
FR823822A (fr)	1938-01-27	Machine à coudre
FR810635A (fr)	1937-03-24	Machine à boutonnières
FR813388A (fr)	1937-05-31	Machine à trancher
CH191049A (de)	1937-05-31	Registriermaschine.
FR807320A (fr)	1937-01-09	Machine à écrire
FR881747A (fr)	1943-05-06	Machine à écrire
FR813948A (fr)	1937-06-11	Machine à encarter
FR828774A (fr)	1938-05-30	Perfectionnements aux machines à écrire
FR813435A (fr)	1937-06-01	Machine à coudre
FR770079A (fr)	1934-09-06	Machine à écrire
FR817299A (fr)	1937-08-31	Machine à imprimer
FR769505A (fr)	1934-08-28	Machine à écrire
FR753337A (fr)	1933-10-13	Machine à imprimer