Cable connectors; Connection cables; Electrical cables for use in connections; Electronic monitors and monitor modules for monitoring electric current and electrical signals; Fiber optic cables; Optical fiber cables; Telephone call screening and blocking device consisting of a microprocessor that uses the telephone cord between the telephone and wall jack for the purpose of blocking unwanted calls

'block':33,54 'cabl':1,4,6,25,28 'call':30,56 'connect':3,10 'connector':2 'consist':35 'cord':43 'current':19 'devic':34 'electr':5,18,21 'electron':11 'fiber':23,27 'jack':49 'microprocessor':38 'modul':15 'monitor':12,14,17 'optic':24,26 'purpos':52 'screen':31 'signal':22 'telephon':29,42,46 'unwant':55 'use':8,40 'wall':48

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