Integrated video camera/recorder unit

Details Integrated video camera/recorder unit Integrated video camera/recorder unit

1985-12-18

1988-03-15

Psitos, Aristotelis M.

Dynamic magnetic information storage or retrieval

Monitoring or testing the progress of recording

360 60, 360 69, 358906, 352171, 354465, H04N 578, G03B 160, G03B 1718

Patent

active

047316772

ABSTRACT:
A video tape recorder (VTR) including a detection switch for detecting presence and absence of an erasure prevention tab of a video tape cassette, a light emitting element, a control device associated operatively with the light emitting element, and an electronic viewfinder. When a first video tape cassette provided with the erasure prevention tab as been loaded into the VTR, the control device sets the VTR to a recording standby state and turns on the light emitting element. Meanwhile, when a second video tape cassette which is not provided with the erasure prevention tab has been loaded into the VTR, the control device sets the VTR to a stop state, flashes the light emitting element and causes the electronic viewfinder to display on a screen of the electronic viewfinder a warning indicative of loading of the second video tape cassette into the VTR.

REFERENCES:
patent: 3588375 (1971-06-01), Martin
patent: 3997916 (1976-12-01), Staar
patent: 4340095 (1982-07-01), Motoyama et al.
patent: 4541010 (1985-09-01), Alston
patent: 4570188 (1986-02-01), Ichiyanagi

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