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GB1323324A - Recorders - Google Patents

Recorders

Info

Publication number
GB1323324A
GB1323324A GB1323324DA GB1323324A GB 1323324 A GB1323324 A GB 1323324A GB 1323324D A GB1323324D A GB 1323324DA GB 1323324 A GB1323324 A GB 1323324A
Authority
GB
United Kingdom
Prior art keywords
channel
playback
recording
circuit
compensating signal
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
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of GB1323324A publication Critical patent/GB1323324A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B5/00—Electrically-operated educational appliances
    • G09B5/04—Electrically-operated educational appliances with audible presentation of the material to be studied

Landscapes

  • Engineering & Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Physics & Mathematics (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Management Or Editing Of Information On Record Carriers (AREA)

Abstract

1323324 Recording and playback MATSUSHITA ELECTRIC INDUSTRIAL CO Ltd 7 Oct 1970 47665/70 Heading G5R In a tape recorder able to record in one channel and simultaneously to play back from another channel, e.g. in teaching apparatus, the effect of cross-talk from the recording channel is reduced by introducing a compensating signal into the playback channel. The compensating signal is derived from the circuit of the recording head and is introduced into the circuit of the playback head.
GB1323324D 1970-10-07 1970-10-07 Recorders Expired GB1323324A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4766570 1970-10-07

Publications (1)

Publication Number Publication Date
GB1323324A true GB1323324A (en) 1973-07-11

Family

ID=10445833

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1323324D Expired GB1323324A (en) 1970-10-07 1970-10-07 Recorders

Country Status (1)

Country Link
GB (1) GB1323324A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2379875A1 (en) * 1977-02-07 1978-09-01 Yamamoto Takeshi Tape recording system for language laboratory use - has twin track twin tape to allow recording of student response and comparison with model
GB2241106A (en) * 1989-12-18 1991-08-21 Mitsubishi Electric Corp Magnetic head device.

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2379875A1 (en) * 1977-02-07 1978-09-01 Yamamoto Takeshi Tape recording system for language laboratory use - has twin track twin tape to allow recording of student response and comparison with model
GB2241106A (en) * 1989-12-18 1991-08-21 Mitsubishi Electric Corp Magnetic head device.
GB2241106B (en) * 1989-12-18 1994-09-14 Mitsubishi Electric Corp Magnetic head device

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Legal Events

Date Code Title Description
PS Patent sealed
746 Register noted 'licences of right' (sect. 46/1977)
PE20 Patent expired after termination of 20 years