CA921766A - Polarized transducers - Google Patents

Polarized transducers

Info

Publication number
CA921766A
CA921766A CA082183A CA82183A CA921766A CA 921766 A CA921766 A CA 921766A CA 082183 A CA082183 A CA 082183A CA 82183 A CA82183 A CA 82183A CA 921766 A CA921766 A CA 921766A
Authority
CA
Canada
Prior art keywords
polarized transducers
transducers
polarized
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
CA082183A
Inventor
C. Fulks Thomas
Soraya Mushi
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.)
National Cash Register Co
Original Assignee
National Cash Register Co
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 National Cash Register Co filed Critical National Cash Register Co
Application granted granted Critical
Publication of CA921766A publication Critical patent/CA921766A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J9/00—Hammer-impression mechanisms
    • B41J9/26—Means for operating hammers to effect impression
    • B41J9/36—Means for operating hammers to effect impression in which mechanical power is applied under electromagnetic control
CA082183A 1969-08-25 1970-05-07 Polarized transducers Expired CA921766A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US85265369A 1969-08-25 1969-08-25

Publications (1)

Publication Number Publication Date
CA921766A true CA921766A (en) 1973-02-27

Family

ID=25313895

Family Applications (1)

Application Number Title Priority Date Filing Date
CA082183A Expired CA921766A (en) 1969-08-25 1970-05-07 Polarized transducers

Country Status (9)

Country Link
US (1) US3630142A (en)
JP (1) JPS504491B1 (en)
BE (1) BE755082A (en)
CA (1) CA921766A (en)
CH (1) CH516851A (en)
DE (1) DE2041789C3 (en)
FR (1) FR2056821A5 (en)
GB (1) GB1249769A (en)
ZA (1) ZA705142B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3747521A (en) * 1971-06-25 1973-07-24 Ibm Low cost hammer unit
US3741113A (en) * 1971-06-25 1973-06-26 Ibm High energy print hammer unit with fast settle out
US3874287A (en) * 1973-06-05 1975-04-01 Honeywell Bull Sa Printing machines
US3982622A (en) * 1974-10-04 1976-09-28 Teletype Corporation Actuator mechanisms for wire matrix printers
US3968744A (en) * 1975-03-03 1976-07-13 Burroughs Corporation Self-damping unitary print hammer for high speed printers
JPS54164179U (en) * 1978-05-10 1979-11-17
DE2945622C2 (en) * 1979-11-12 1982-08-19 Hans-Joachim Dipl.-Phys. 6104 Seeheim-Jugenheim Thiel Device for writing Braille
US4493253A (en) * 1983-11-23 1985-01-15 Ncr Canada Ltd. Variable impact printing means
US4703689A (en) * 1985-09-20 1987-11-03 International Business Machines Corporation Two lever print actuator with aligned pivots and energy transfer surfaces
DE3715304A1 (en) * 1987-05-08 1988-12-01 Protechno Entwicklungsbuero Gm NEEDLE PRINT HEAD WITH FOLDING ARM MAGNET AND CONTROL PROCEDURE DAFUER

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2483658A (en) * 1945-12-18 1949-10-04 Price Electric Corp Polarized electromagnetic relay
BE512812A (en) * 1951-08-10
US2740057A (en) * 1952-05-13 1956-03-27 Bosch Gmbh Robert Electromagnetic prime movers
US3153178A (en) * 1959-12-14 1964-10-13 Cons Electrics Ind Corp Magnetic lock-up relay
US3049990A (en) * 1960-12-20 1962-08-21 Ibm Print hammer actuator
DE1198455B (en) * 1961-04-28 1965-08-12 Siemens Ag Electromagnetic relay with adhesive characteristics

Also Published As

Publication number Publication date
CH516851A (en) 1971-12-15
JPS504491B1 (en) 1975-02-20
US3630142A (en) 1971-12-28
BE755082A (en) 1971-02-01
DE2041789A1 (en) 1971-04-22
DE2041789B2 (en) 1972-06-08
FR2056821A5 (en) 1971-05-14
DE2041789C3 (en) 1973-01-04
GB1249769A (en) 1971-10-13
ZA705142B (en) 1971-04-28

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