IBM Technology & Electrical Engineering

Patents

  • 2,899,657 Multiple Path Coherer, with E. P. Quade; 1955
  • 2,957,315 Methods & Apparatus for Printing on Heat Sensitive Media; 1957
  • 2,994,736 Control System; 1958

Note: Many papers were originally published by IBM as company confidentials. All of such papers below have since been declassified.

Date

Title

Publication

Keywords

1/1/1941 Coupling of Power from a Resonant Circuit to Waveguide or Load at Microwave Frequencies Master's Thesis microwave, resonant circuit, waveguide, electrical engineering,
1/10/1947 The History of Electromagnetic Theory (manuscript) electromagnetics, electricity, magnetism, maxwell's equations
5/26/1947 History of Electromagnetic Theory (abstract) (manuscript) applications, electricity, magnetism
1/11/1951 Bethe's Lumped Constants for Small Irises (thesis) iris, electromagnetics, bethe, kirchoff, waves
11/1/1952 Coupling Between Waveguides and Cavity Resonators for Large Power Output (thesis) resonator, iris coupling, waveguides, electricity, electromagnetics
7/28/1953 Electrical Properties of Solaramic Coatings IBM electricity, solaramic, coatings, capacitor, electrostatic printing
10/15/1953 Electrical Characteristics of Card Stock IBM card stock, electricity
10/15/1953 The Coupled Q and the Shift in Resonant Frequency of Some Resnatron Anode Resonators IBM coupled Q, frequency, resonator, resnatron anode,
10/22/1953 The Coherer as a Storage Element IBM coherer, data storage, radio, logical circuits
10/30/1953 Electrostatic Dielectric Storage IBM electrostatic storage, contact brush, capacitor
4/28/1954 Coherer Bibliography IBM coherer, semi-conductors, dielectric breakdown, lightning arresters, electricity
3/20/1956 Comparison of Methods of Magnetic Recording IBM magnetic recording, data storage
4/9/1956 Electronic Automatic Addressing IBM addressing, data storage
5/8/1956 Calculation of ^F and Qc by use of Stationary Integral Equation for an Iris Coupled (manuscript) iris coupling, waveguides, resonators, microwave
5/11/1956 Coherer Characterstics Part I: Intoduction, Physical Phenomena, Probability, and Time Delay IBM coherer, electricity, data storage
5/14/1956 Coherer Characteristics Part 2: Materials, Life Test, Reliability, ad Applications IBM coherer, electricity, data storage
11/1/1956 A High-Resolution Perpendicular Magnetic Recording Head IBM magnetic recording, data storage
3/19/1957 Preliminary E.R.A.D. (manuscript) computers, input devices, output devices, displays, systems research
4/10/1957 Preliminary Proposal for a Research Project on Facsimile Character Perception Error Rate as a Function of Signal Generation method, Matrix Resolution, Transmission Line S/N (Random & Impulse). Type Size, And other conditions (manuscript) 0
5/15/1957 Analysis of Block Length in Error Checking IBM data transmission, block length, redundancy, noise, signal, error correction
5/24/1957 Signal Space IBM signal space
6/6/1957 Preliminary Note on Application of Statistical Decision Theory to Business Data Systems (memorandum) data systems, decision, statistics
6/24/1957 Decision Rules for Different Filters IBM decision
10/15/1957 Probability of Undetected Errors in Various Data Transmission Systems IBM data transmission, error, error detection
11/15/1957 A Preliminary Report of Certain Wescon Sessions, August 1957 IBM 0
3/27/1958 Extracted Signal Space IBM 0
4/9/1958 Cable Installation Costs IBM cables, data transmission
4/28/1958 Preliminary Survey of the Application of Communication Theory and Related Theoretical Techniques to Data Transmission and other Machine Component Areas (memorandum) data communication, communication theory
6/20/1958 Joint Committee Report on Large Scale Memory Addressing IBM 0
12/20/1958 Primary Cable Constants (manuscript) cables, data transmission
12/22/1958 Application of Communication Theory to Data Communication IBM communication theory, data transmission, feedback circuits
1/1/1959 Optimum Block Length for Data Transmission with Error Checking (manuscript) data transmission
3/6/1959 Noise Sources of Significance in Data Transmission IBM noise, error, data transmission
4/14/1959 Some Examples of Single and Double Adjacent Error Corection IBM error correction, data transmission
5/27/1959 Supplementary Notes On Optimum Block Length for Data Transmission IBM data transmission
8/11/1959 Computer Simulation Program for Detection of Signals in Noise IBM noise, noise detection, data transmission
12/15/1959 Application of Decision Theory to Voice Reognition Machines, with an Illustrated Example IBM decision, voice recognition
1/6/1960 Bibliography on Cable Characteristics for Data Communication IBM cables, data transmission
2/5/1960 Survey of Cable Characteristics for Data Communication IBM cables, data transmission
3/11/1960 Formative Time Lag and Probability of Firing of Coherers (manuscript) coherer
3/16/1960 Information Retrieval Problems in the Distant Future (memorandum) climate change, mountains, geography, information, civilization
3/30/1960 Error Correcting Codes IBM error, error correction, data transmission, coding
4/19/1960 Coding of Error Data IBM data transmission, error, coding
5/3/1960 Comparisons between the Brain and Automatic Computer Machines IBM 0
5/13/1960 Noise Space IBM noise, error, data transmission
5/16/1960 Bibliography of Communication Theory IBM communication theory, systems
5/17/1960 Proposal for Computer Simulation of Error-Correcting Codes IBM data transmission, error, error correction
5/24/1960 Bibliography on Coding (Alphabets) IBM coding alphabets
10/25/1960 Patent for Apparatus for Printing on Heat Sensitive Media Unites States Patent Office patent, printing
8/1/1961 Patent on Keyboard Access Control System US Patent Office patent, keyboard
10/2/1961 Survey of The Remote Scientific Computing Problem IBM computers
1/1/1962 Error Detector and Automatic Control Unit Design for Use with the Line Speed Buffer IBM error detection, compression, data
4/2/1962 The History of Electromagnetic Theory (manuscript) electromagnetic theory, maxwell's equations, microwave, electricity, magnetism
7/10/1962 Image Classification and Coding for Transmission over Communication Channels IBM image information, classification, coding
12/13/1962 Error-Detecting Codes for Computer Data Communication Systems (manuscript) error, data transmission, coding
3/5/1965 Real Time Computer Simulation of the National Economy (manuscript) 0
7/20/1965 Image Information, Classification, and Coding IBM information, redundancy, compression, data transmission, coding
8/17/1965 Scientific Information Storage and Retrieval: A Survey of the Principal Types of Systems IBM data storage, data retrieval, data transmission
10/15/1968 Reliability of 2400-Baud Digital Transmission over VGF Mobile Radio Links IBM radio, vhf, data transmission, digital transmission, mobile radio
12/1/1970 Evaluation of Error Detecting Codes for 2400-Baud Digital Transmission over VHF Radio Links IBM error detection, radio, digital transmission,
8/18/1972 Error Detection Parameters for NCI Compressed Data Sets IBM error detection, compression, data
12/31/1978 Evaluation of Image Compression for Insurance Industry Documents IBM image compression, computer technology