|
TM Number
|
Title
|
MM Number
|
Date
|
File Case
|
| TM22-307-5 | Equalizer for Phonograph Recorder. | MM-307-5 | 7/14/22 |
31829
|
| TM22-327-5 | Equalizer for Aeolian Hall Radio Broadcasting Amplifiers and Cable Circuit. | MM-327-5 | 7/25/22 |
31558
|
| TM22-473-4 | Characteristics of #13 Gauge Paper Insulated Cable at Carrier Frequencies. | MM-473-4 | 12/26/22 |
30946-16
|
| TM23-649-5 | Non-Dissipative Band Elimination Equalizer Having no Frequency or Infinity Attenuation. | MM-649-5 | 5/14/23 |
30272
|
| TM23-689-6 | Use of Straight Core Coils in Filter. | MM-689-6 | 6/22/23 |
11345
|
| TM23-714-7 | Impedance Transforming Wave Filter Sensation. | MM-714-7 | 7/17/23 |
30272
|
| TM23-732-9 | New Type Band Pass Wave Filter Section Designed to Work better. 2 unequal Impedances with the Same Efficiency as Symmetrical Type Section and Ideal Transformers. | MM-732-9 | 7/31/23 |
30272
|
| TM23-790-8 | Impedance Transforming Wave Filter Sections. | MM-790-8 | 10/17/23 |
30272
|
| TM23-824-7 | A Theory for the Design of Loud Speakers. | MM-824-7 | 11/23/23 |
32184
|
| TM24-756-4 | Method of Obtaining the Actual Impedance of any Filter. | MM-756-4 | 1/28/24 |
30272
|
| TM24-962-5 | Use of the Negative Elasticity of the Field in Loud Speaker Lectures. | MM-962-5 | 4/22/24 |
32184
|
| TM24-990-6 | Tapered Lines with Lumped Constants. | MM-990-6 | 5/20/24 |
32184
|
| TM24-1085-7 | Theory of Magneto-Mechanical Motor Elements. | MM-1085-7 | 9/27/24 |
32184
|
| TM25-1163-8 | Equivalent Circuits for Magneto Mechanical Networks. | MM-1163-8 | 1/2/25 |
32184
|
| TM25-0-1212 | Constant Amplitude Motor Elements. | MM-1212 | 3/19/25 |
14212
|
| TM25-0-1376 | Equalizer for Optical Recording of Speech and Music. | MM-1376 | 9/21/25 |
31976
|
| TM26-0-1444 | Tests on Westinghouse Electric Reproducer. | MM-1444 | 1/7/26 |
32187
|
| TM26-0-1457 | Air Chambers for Phonographs and Loud Speakers. | MM-1457 | 1/22/26 |
33066
|
| TM26-0-1521 | Impedance Matching of Reproducer #4. | MM-1521 | 4/22/26 |
32364
|
| TM26-0-1525 | Proper Mouth Opening for An exponential Horn. | MM-1525 | 4/26/26 |
33066
|
| TM26-0-1612 | Measurements of English Gramaphone Co. Reproducer No. 4. | MM-1612 | 7/25/26 |
181820
|
| TM26-0-1680 | Design of Finite Networks for Uniform Frequency Characteristic. | MM-1680 | 11/3/26 |
33066
|
| TM27-0-1737 | Solid Tungsten Needles. | MM-1737 | 1/11/27 |
33218
|
| TM27-0-1798 | Design of Equalizers Having Compensating Frequency Characteristics. | MM-1798 | 3/16/27 |
32364
|
| TM27-0-1825 | Viscosity Damping. | MM-1825 | 4/20/27 |
33061
|
| TM27-0-1862 | Compensating Equalizers for Vitaphone Recording. | MM-1862 | 5/23/27 |
33218
|
| TM27-0-1869 | Electrostatic Transmitter or Receiver. | MM-1869 | 6/2/27 |
32184
|
| TM27-0-1872 | Air Chambers for Phonographs and Loud Speakers. | MM-1872 | 6/8/27 |
33066
|
| TM27-0-1905 | The Hyperbolic Cosine Horn. | MM-1905 | 7/0/1927 |
33066
|
| TM27-0-1951 | Equivalent Circuit for Carbon Transmitter. | MM-1951 | 9/15/27 |
30943-1
|
| TM27-0-1975 | Electrostatic Transmitter. | MM-1975 | 10/17/27 |
32184
|
| TM27-0-2007 | Attenuation in All Pass Networks. | MM-2007 |
12/00/1927
|
18199
|
| TM28-0-2053 | Experimental Comparison of Hyperbolic Cosine Horn with Exponential Type. | MM-2053 | 3/5/28 |
33066
|
| TM28-0-2095 | Insertion Phase of Filters. | MM-2095 | 4/20/28 |
18199
|
| TM28-0-2184 | Air Chambers for Phonograph and Loud Speaker. | MM-2184 | 8/6/28 |
33066
|
| TM28-0-2233 | Transatlantic Radio Telephone at Rocky Point. | MM-2233 | 10/23/28 |
19588
|
| TM29-0-2392 | Distortion Correction for Resistance Coupled Amplifier. | MM-2392 | 4/8/29 |
320057-5
|
| TM29-0-2415 | Proposed Two Channel Long Wave Radio Telephone System Coupling Network. | MM-2415 | 4/29/29 |
20121
|
| TM29-0-2486 | Coupling Circuits for 2-Channel Long Wave Radio Transmitter. | MM-2486 | 7/5/29 |
34653
|
| TM30-0-2821 | Wave Antenna Coupling Networks. | MM-2821 | 6/7/30 |
34653
|
| TM30-0-2822 | Multi-tuned Antenna Coupling Circuit. | MM-2822 | 6/9/30 |
34653
|
| TM30-0-2844 | A Chart method for Filter Design. | MM-2844 | 6/17/30 |
19878
|
| TM30-0-2886 | A Tight of Constant Loss Network. | MM-2886 | 8/22/30 |
19878
|
| TM30-0-2964 | A Modified Campbell Artificial Line. | MM-2964 | 9/25/30 |
19878
|
| TM31-0-3069 | Multiple Transformers. | MM-3069 | 1/20/31 |
19878
|
| TM31-0-3159 | Study of Dial Interference. | MM-3159 | 4/8/31 |
31346
|
| TM31-0-3208 | Attenuation & Phase Correction in Non-Loaded Cable Circuits. | MM-3208 | 5/9/31 |
19566
|
| TM31-0-3232 | Variable Equalizer. | MM-3232 | 5/20/31 |
19878
|
| TM31-0-3260 | Vibrating String Filter. | MM-3260 | 6/12/31 |
19879
|
| TM31-0-3376 | Vibrating String Filter. | MM-3376 | 9/18/31 |
19878
|
| TM31-0-3378 | The Study of Circuit Conditions as a Means of Reducing the Number of Tests on Ringers. | MM-3378 | 9/21/31 |
33064
|
| TM31-0-3393 | Use of Complex M's and Real M in Filter Design. | MM-3393 | 10/8/31 |
19878
|
| TM31-0-3483 | Proposed Modification of T.A.R. Coupling Circuits. | MM-3483 | 12/21/31 |
34653-2
|
| TM31-0-3482 | Note on Adjustment of Crystals by External Condensers. | MM-3482 | 12/21/31 |
19879
|
| TM31-0-3505 | Constant Resistance Fitting. | MM-3505 | 12/29/31 |
19878
|
| TM32-0-3507 | Theory of the Vibrating String and its Shunt Equalizer. | MM-3507 | 1/11/32 |
19878
|
| TM32-0-3561 | Phase Equalizers for Transforming. | MM-3561 | 3/2/32 |
19878
|
| TM32-0-3593 | A Method of Computing the Insertion and Phase of a Lattice Network. | MM-3593 | 3/30/32 |
19878
|
| TM32-0-3653 | Constant Resistance Line for Directional Filters. | MM-3653 | 5/24/32 |
19878
|
| TM33-0-3864 | Shunt Resistance Loading for Cables. | MM-3864 | 3/15/33 |
20178
|
| TM33-0-3906 | Feed Back Equalizer for 50 - 500 KC Line Amplifier. | MM-3906 | 5/10/33 |
20247
|
| TM33-0-3999 | An Extension of the Theory of Tapered Lines. | MM-3999 | 8/15/33 |
19878
|
| TM33-0-4002 | Application of Low and Intermediate Frequency Mechanical Filters. | MM-4002 | 8/16/33 |
19879
|
| TM33-0-4096 | Constant Resistance Filters. | MM-4096 | 12/28/33 |
19878
|
| TM34-5-70 | Development of the Long Range Subscribers' Dialing Circuit for the Cross Bar Sender. | 4/9/34 |
35550-1
|
|
| TM34-5-180 | Present Status of Work on Case 22108 Transmission Research on Signaling Circuits and Mechanisms. | 8/13/34 |
22108
|
|
| TM35-5-87 | Chatter in U-Type Relays. | 4/29/35 |
22108
|
|
| TM35-5-156 | Contact Protection in Inductive Circuits. | 8/19/35 |
22108
|
|
| TM35-5-160 | Field Measurement of the Percentage Break of a Dial. | 8/21/35 |
22108
|
|
| TM35-5-174 | Eddy Currents in Rectangular Cores. | 9/10/35 |
22108
|
|
| TM35-5-172 | The Inverse Network of a Metallic Core Coil with Eddy Currents. | 9/11/35 |
19878
|
|
| TM36-5-103 | Dynamical Theory of the Polar Relay. | 6/2/36 |
22108
|
|
| TM37-325-54 | A Voice Frequency Signalling Method for Subscriber Use. | 5/13/37 |
22108
|
|
| TM37-325-93 | A Modification of a Proposed Voice Frequency Signalling Method. | 7/22/37 |
22108
|
|
| TM37-325-98 | Reduction of Chatter in 209-F-A Relay. | 8/5/37 |
22108
|
|
| TM38-325-33 | Dynamics of the Neutral Relay. | 3/2/38 |
37190
|
|
| TM38-325-70 | A New Form of Pulse Machine and Its Use to Measure Flux under Dynamic Conditions. | 4/27/38 |
37190
|
|
| TM38-325-186 | A New Flux Measuring Machine. | 12/19/38 |
37190
|
|
| TM39-0-2372 | Impedance Measurements at Rodey Pt. Transatlantic Radio Station. | MM-2372 | 3/20/39 |
19588
|
| TM39-325-116 | The Power Efficiency on Non-Polarized Electromagnetic Structures. | 7/27/39 |
22108
|
|
| TM39-325-126 | Displacement and Velocity Measurement. | 8/16/39 |
22108-1
|
|
| TM39-325-130 | An Improved Form of Vaccuum Tube Filter. | 8/23/39 |
22108-1
|
|
| TM40-130-89 | An Experimental Investigation of the Dynamics of an Electromagnet. | 4/18/40 |
22108-1
|
|
| TM40-130-144 | Measurement on Selector Switch Using 221 Type Magnet. | 6/26/40 |
22108-1
|
|
| TM40-130-176 | Some Efficiency Tests on a U Type Relay. | 8/27/40 |
22108-1
|
|
| TM41-130-40 | A Portable Flux Meter. | 2/26/41 |
22108-1
|
|
| TM41-130-113 | A Line Operated Amplifier With Uniform Gain Extending Down to Direct Current. | 5/27/41 |
22108-1
|
|
| TM47-110-1 | Servo Amplifier for Roll. | 1/9/47 |
26500-6
|
|
| TM47-110-31 | Nike Roll and Steering Servo Amplifiers. | 5/15/47 |
26500-6
|
|
| TM49-8750-24 | Detailed Review of the Control System for the NIKE 48-1 Missiles. | 6/15/49 |
26500
|
|
| TM52-3200-62 | Visit to MIT to attend Demonstration of Automatic Milling Machine. | 9/23/52 |
37943
|
|
| TM54-2334-10 | A Proposed Program for the Development of Automatic Methods for Assembly and Wiring. | 5/13/54 |
37943-11
|
TM Number: Technical Memorandum number. Bell Laboratories current cataloging system.
MM Number: Old cataloging system
File Case: Project number. Documents are stored by File Case in the AT&T Archives.
Don H. Johnson
08/15/2001