Category: Demonstration Purpose Only
F 8421 Compact Disc Player
CD F8421 – handmodel nr. 394 Special thanks to Hans Overgaag for sending me these photos...
Philips LHH 0502 a closer look
Philips LHH 0502 Professional Compact Discs Reproduction System The LHH 0512 CD Drive Control System – Based on Siemens SICOMP Industry Microcomputers (SICOMP IMC) Link to Wiki Sicomp Back The Siemens SICOMP Industry Microcomputers...
Demo – Optical Pick-up Unit – Lightpen
Lichtpen / Lightpen OPTO-Electronic Focusing-Error Detection Device Optical pick-up in the Hand
CD 100 Repair
This CD 100 has been to a repairshop and was declared dead , they think the laser is not working, and they did nothing to it 😉 It had a little paint job.. It’s...
Audio Codering – PTT Research Adaptive Transformation Coding technique
PTT Telecom Audio Codering – ATC a demonstration on 128, 64 & 32 kbit/s per channel of ATC, the PTT Research Adaptive Transformation Coding technique
CD presentation 15 April 1981
Demonstration CD , Presentation from 15 april 1981 Polygram Salzburg Austria