GB770742A - Improvements in or relating to monitors for commercial phonographs - Google Patents

Improvements in or relating to monitors for commercial phonographs

Info

Publication number
GB770742A
GB770742A GB16734/55A GB1673455A GB770742A GB 770742 A GB770742 A GB 770742A GB 16734/55 A GB16734/55 A GB 16734/55A GB 1673455 A GB1673455 A GB 1673455A GB 770742 A GB770742 A GB 770742A
Authority
GB
United Kingdom
Prior art keywords
carriage
movable
correction
bar
marker
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
GB16734/55A
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.)
Dictaphone Corp
Original Assignee
Dictaphone 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 Dictaphone Corp filed Critical Dictaphone Corp
Publication of GB770742A publication Critical patent/GB770742A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/34—Indicating arrangements 

Landscapes

  • Level Indicators Using A Float (AREA)

Abstract

770,742. Dictating machines. DICTAPHONE CORPORATION. June 10, 1955 [June 10, 1954], No. 16734/55. Class 40 (2). A correction indication device for dictation machines having a movable carriage 16 and replaceable instruction-indication sheets, is provided with marking means 42 mounted on and movable with said carriage, and an indicator control member 10 movable to different instruction positions and linked with the said marking means. The control member 10 comprises an operating knob 28 mounted on a shaft 30 and having ears marked " C " and " L " to indicate correction and length, respectively. Finger pressure on one or other ear causes a bellcrank 32, Fig. 6, to be rotated to lift or lower, by means of a link 34, a bail 38 carrying a sliding member 40 which has pivoted to it a marker bar 42 passing through a channel shaped cover 48 pivoted at 50 on the carriage 16. The marker bar 42 carries a roller 54 which engages a cam surface on the inner part of the cover 48, so that as the bar 42 is moved upwards or downwards its marker end 44 is pressed into contact with the pad of indicator sheets. The upper position shows " length of letter " indications, while the lower position shows " correction " indications. Specification 553,378 is referred to.
GB16734/55A 1954-06-10 1955-06-10 Improvements in or relating to monitors for commercial phonographs Expired GB770742A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US435802A US2820639A (en) 1954-06-10 1954-06-10 Monitors for commercial phonographs

Publications (1)

Publication Number Publication Date
GB770742A true GB770742A (en) 1957-03-20

Family

ID=23729862

Family Applications (1)

Application Number Title Priority Date Filing Date
GB16734/55A Expired GB770742A (en) 1954-06-10 1955-06-10 Improvements in or relating to monitors for commercial phonographs

Country Status (2)

Country Link
US (1) US2820639A (en)
GB (1) GB770742A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2951127A (en) * 1955-02-24 1960-08-30 Kane Corp Du Magnetic recording and reproducing machine
US2992060A (en) * 1956-09-04 1961-07-11 Dictaphone Corp Correction and end-of-letter marker for dictating machine
US3056606A (en) * 1958-04-15 1962-10-02 Dictaphone Corp Dictating machine
US3221420A (en) * 1961-11-27 1965-12-07 Paul J Heinberg Audio-visual teaching machine and method
US3304554A (en) * 1965-02-08 1967-02-14 Gray Mfg Co Marking device for sound translating apparatus
AT335196B (en) * 1974-07-26 1977-02-25 Philips Nv MARKING DEVICE FOR A RECORDING AND / OR PLAYBACK DEVICE

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2072064A (en) * 1930-05-08 1937-02-23 Dictaphone Corp Correction device for dictating machines
US2154029A (en) * 1934-06-30 1939-04-11 Edison Inc Thomas A Marking device for index blanks
US2218542A (en) * 1937-11-27 1940-10-22 Edison Inc Thomas A Phonograph
US2292736A (en) * 1941-07-12 1942-08-11 Gerard A Harrington Marking or correction device for dictating machines
US2530029A (en) * 1947-04-25 1950-11-14 Int Electronics Co Equalizer for supporting magnetic recording and erasing heads

Also Published As

Publication number Publication date
US2820639A (en) 1958-01-21

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