Inventor

KAHLMAN JOSEPHUS A H M

NL35 patents

⚠️ This page may combine multiple inventors who share the name “KAHLMAN JOSEPHUS A H M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

KAHLMAN JOSEPHUS A H M

PHILIPS CORP

Encoding multiword information by wordwise interleaving

Device for encoding/decoding N-bit source words into corresponding M-bit channel words, and vice versa

Device for recording a digital information signal on a record carrier

Device for encoding/decoding n-bit source words into corresponding m-bit channel words, and vice versa

Device for encoding/decoding n-bit source words into corresponding m-bit channel words, and vice versa

Apparatus for recording a digital information signal and utilizing the digital sum value thereof to record an auxiliary digital signal, and apparatus for reproducing such recorded signals

Drive system comprising a motor, control means for controlling the motor, apparatus comprising the drive system, and method of controlling the motor

Device for recording a digital information signal on a record carrier

Device for encoding/decoding n-bit source words into corresponding m-bit channel words, and vice versa

Device for encoding/decoding n-bit source words into corresponding m-bit channel words, and vice versa

Encoding of an input information signal

Device for scanning information tracks on a record carrier

Apparatus for the regeneration of channel-clock information in synchronous data transmission and data-recovery circuit arrangement comprising such apparatus

Apparatus for furnishing data signals from an optically readable record carrier at the same frequency as the associated subcode signals

Apparatus for reading and/or writing information from/onto an optical data carrier

Amplitude detector for signals having a periodical character, recorded on a recording medium, and optical tape recorder comprising such an amplitude detector

Apparatus for reading and/or writing information from/on a recording medium

Arrangement for reproducing a digital signal from a track on a magnetic record carrier having an equalizer filter in the form of a transconductance-capacitor filter

Color video system with digital audio pulse width modulation

Device for encoding n-bit source words into corresponding m-bit channel words and decoding m-bit channel words into corresponding n-bit source words

A scanning device producing a first and a second scanning spot which move in different directions and an apparatus containing that device which uses the first spot for reading and/or recording and the second spot to monitor such reading and/or recording

Device for realizing a longitudinal pattern of substantially parallel tracks in a record carrier which controls movement of the record carrier on the basis of trackpitch

Optical scanning device for scanning a record carrier with a scanning spot which deviates in a direction transverse to the scanning direction by an amount less than a trace pitch because of vibration

Record carrier, recording device and reading device

Arrangement for reproducing an electric signal

Apparatus for time base correction

KONINKL PHILIPS ELECTRONICS NV

Modulation apparatus/method, demodulation apparatus/method and program presenting medium

Modulation apparatus/method, demodulation apparatus/method and program presenting medium

Multiword information encoded by wordwise interleaving and wordwise error protection with error locative clues derived from synchronizing channel bit groups and directed to target words

Modulation apparatus/method, demodulation apparatus/method and program presenting medium

Encoding/decoding n-bit source words into corresponding m-bit channel words, and vice versea, such that the conversion is party inverting

Modulation apparatus/method, demodulation apparatus/method and program presenting medium

Apparatus for reading an optical data carrier

Modulation apparatus/method, demodulation apparatus/method and program presenting medium