JPS5418232A
Expired / Lapsed
JP
⏱️ 0.0 years remaining
Chromakey tracking device
Assignee: NEC Corp
•
Filing: 1977-07-11
•
Granted: —
•
Expires: 1997-07-11
Abstract
Abstract PURPOSE: To secure a stable production of the TV program even in case the chromakey frame may shift by securing an automatic reduction of the input picture down to the size of the chromakey signal which is supplied from outside. COPYRIGHT: (C)1979,JPO&Japio
Inventors
- 👤 Masao Inaba
- 👤 Kazuo Kashiki
Bibliographic Details
Application Number
—
Jurisdiction
JP
Data Source
google_patents
Last Synchronized
2026-11-06 19:28
CPC Classifications
—
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.