1
Hendrik Arie Van Essen, Nicolaas Alphonsus Maria Verhoeckx, Wilfred Andre Maria Snijders: Interpolating digital filter with input buffer. U S Philips Corporation, Frank R Trifari, Daniel R McGlynn, December 14, 1976: US03997773 (30 worldwide citation)

A non-recursive interpolating digital filter for generating, output code works, at an arbitrary rational ratio between the input and output sampling frequencies. The input code words are entered and stored in a buffer, and entered into a storage device at predetermined times determined by a controll ...


2
Ludwig Desire Johan Eggermont, Hendrik Arie Van Essen, Petrus Josephus Van Gerwen, Wilfred Andre Maria Snijders: Interpolating digital filter. U S Philips Corporation, Frank R Trifari, Daniel R McGlynn, October 26, 1976: US03988607 (22 worldwide citation)

An interpolating non-recursive digital filter in which the circulating storage device which has a periodically changing storage time, is controlled by a clock-pulse generator, and has an output circuit whereby within one input sampling period the input code words stored in the storage device are sup ...


3
Bellanger Maurice Georges, Lepagnol Guy Pierre, Daguet Jacques Lucien: Low pass nonrecusine digital filter. Telecommunications Radioelectriques et Telephoniques TRT, Trifari Frank R, Berka George B, December 23, 1975: US3928755 (14 worldwide citation)

A digital filter having a cut-off frequency of f.sub.c to which code words of a frequency f.sub.s are applied and which supplies code words at a frequency of f'.sub.s. The filter comprises a first digital filter section supplying numbers having a reduced frequency f.sub.m and whose output is directl ...


4
Gerard Duvic, Michel Veillard, Laurent Paris, Patrice Senn: Circuit for producing analog signals of primary colors of a television signal from its digital luminance and chrominance components. Etat Francais, Telediffusion de France, Michael N Meller, May 10, 1988: US04743960 (13 worldwide citation)

Circuit for producing analog primary signals of a television signal from its digital luminance and chrominance components comprising in series an interpolating digital filter, a digital dematrixer and three digital - analog converters.


5
Ludwid D J Eggermont: Arrangement for decoding a signal encoded by means of adaptive delta modulation. U S Philips Corporation, Thomas A Briody, William J Streeter, Edward W Goodman, November 11, 1980: US04233684 (11 worldwide citation)

Arrangement for decoding a compressed delta modulation signal, wherein, to simplify the anaogue output filter, an interpolating digital filter having a signal-independent pulse response is included in the dynamic expansion circuit.


6
Ludwig D J Eggermont: Integrating code converter. U S Philips Corporation, Thomas A Briody, Edward J Connors Jr, James J Cannon Jr, September 11, 1979: US04167731 (7 worldwide citation)

Arrangement for converting a differential code into an absolute code which comprises a non-recursive interpolating digital filter, to which input code words are applied, with a sampling frequency f.sub.s, for supplying auxiliary code words occurring with an increased sampling frequency mf.sub.s, and ...


7
Eggermont Ludwig Dj, Van Gerwen Petrus J, Van Essen Hendrik A, Snijders Wilfred Am: Filtre numerique a interpolation, Interpolating digital filter. Nv Philips Gloeilampenfabrieken, September 26, 1978: CA1039364

ABSTRACT Non-recursive digital filter producing binary out-put code words at an output sampling frequency "f2" which arerelated to a sequence of binary input code words which occurat an input sampling frequency "f1", "f2" being an integralmultiple (m) of "f1". A storage device is arranged to storea ...


8
Verhoeckx Nicolaas Am, Snijders Wilfred Am, Van Essen Hendrik A: Filtre numerique interpolateur avec tampon dentree, Interpolating digital filter with input buffer. Nv Philips Gloeilampenfabrieken, November 28, 1978: CA1043427

ABSTRACT: Non-recursive interpolating digital fil-ter for generating, at an arbitrary rational ratio be-tween the output and input sampling frequencies, out-put code words, comprising a storage device to whichinput code words are supplied. These input code wordsare entered and stored in a buffer and ...


9
Eggermont Ludwig D J: Interpolation dun filtre numerique non recursif, Interpolating non-recursive digital filter. Nv Philips Gloeilampenfabrieken, May 1, 1979: CA1053762

ABSTRACT: In the known interpolating digital filters withinterpolation factor r where N input signal samples are pro-cessed, sets of multiplication factors a [m,k] with m = 0,1, 2, ...r-1 are used, the elements a(m,k) with k = 0, 1, 2, ....N-1 of which are each equal in magnitude to instantaneousval ...


10
Nonrecursive interpolating digital filter. Philips, April 5, 1978: GB1506009-A

1506009 Non-recursive digital filter PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd 12 Sept 1975 [16 Sept 1974] 37642/75 Heading H3U A non-recursive interpolating digital filter generates output code words at a frequency f u which are related to a sequence of input code words occurring at an input s ...



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