Patents of Ludwig D.J. Eggermont

1. USP 3.729.717, Apr. 24, 1973 (NOA 7011048, July 25, 1970)
   Information buffer for converting a received sequence of information characters
2. UPS 1 455 733, Nov. 17, 1976 (NOA 7307237, May 24, 1973)
   An arrangement for coding P.C.M. samples
3. USP 3.988.606, Oct. 26, 1976 (NOA 7408032, June 17, 1974)
   Digital filtering device for processing binary-coded signal samples
4. USP 3.988.607, Oct. 26, 1976 (NOA 7412224, Sept. 16, 1974)
   Interpolating digital filter
   * Ned. Octrooi 176211 d.d. March 1, 1985
5. USP 4.002.981, Jan. 11, 1977 (NOA 7400764, Jan. 21, 1974)
   Digital converter from delta-modulation signals into PCM signals
6. USP 4.016.410, Apr. 5, 1977 (NOA 7416480, Dec. 18, 1974)
   Signal processor with digital filter and integrating network
   * Ned. Octrooi 173807 d.d. March 14, 1984
7. USP 4.039.949, Aug. 2, 1977 (NOA 7411988, Sept. 10, 1974)
   Pulse code modulation with dynamic range limiting
8. USP 4.039.955, Aug. 2, 1977 (NOA 7501341, May 2, 1975)
   Receiver for the reception of signals transmitted by delta modulation
9. USP 4.052.605, Oct. 4, 1977 (NOA 7506333, May 29, 1975)
   Interpolating non-recursive digital filter
   * Ned. Octrooi 179620 d.d. Oktober 14, 1986
10. USP 4.109.203, Aug. 22, 1978 (NOA 7506986, June 12, 1975)
    Delta-modulation encoder
11. USP 4.100.494, Jul. 11, 1978 (NOA 7508711, July 22, 1975)
    Dynamic control of code modulated pulse transmission
    * Ned. Octrooi 167563 d.d. December 28, 1981
12. USP 4.136.398, Jan. 23, 1979 (NOA 7506141, May 26, 1975)
    Digital filter having coefficient number generator
13. USP 4.204.177, May. 20, 1980 (NOA 7416479, Dec. 18, 1974)
    Non-recursive digital filter with reduced output sampling frequency
14. USP 4.229.802, Oct. 21, 1980 (NOA 7712367, Nov. 10, 1977)
    Digital adding device
15. USP 4.231.100, Oct. 28, 1980 (NOA 7800406, Jan. 13, 1978)
    Arrangement for filtering compressed pulse-code-modulated signals
16. USP 4.231.101, Oct. 28, 1980 (NOA 7801866, Febr. 20, 1978)
    Digital filter arrangement for non uniformly quantized PCM
17. USP 4.233.684, Nov. 11, 1980 (NOA 7801909, Febr. 21, 1978)
    Arrangement for decoding a signal encoded by means of adaptive delta modulation
18. NOA 7708150, July 22, 1977
    Integrating code-converter
19. NOA 8201344, March 31, 1982
    Digital tone control arrangement

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