US1525787A - Telephone system - Google Patents

Telephone system Download PDF

Info

Publication number
US1525787A
US1525787A US596178A US59617822A US1525787A US 1525787 A US1525787 A US 1525787A US 596178 A US596178 A US 596178A US 59617822 A US59617822 A US 59617822A US 1525787 A US1525787 A US 1525787A
Authority
US
United States
Prior art keywords
feb
williams
telephone system
sheets
filed oct
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US596178A
Inventor
Jr Samuel B Williams
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AT&T Corp
Original Assignee
Western Electric Co Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Western Electric Co Inc filed Critical Western Electric Co Inc
Priority to US596178A priority Critical patent/US1525787A/en
Application granted granted Critical
Publication of US1525787A publication Critical patent/US1525787A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0004—Selecting arrangements using crossbar selectors in the switching stages

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Telephone Set Structure (AREA)

Description

Feb. l0. 1925 s. B. wlLLLLxMS, JR
TELEPHGNE SYSTEM 4l Sheets-Sheet l Filed Coi:v 23 1922 QNNQ Q QQ
MRQ
QYMQ
RRQ
NNNQ
Q KQ
QMQ
n QMQ NNQ QM QQ.
/nvven/on- Samue/ 3. l/W//fdms df.'
.by /Wy Feb. l0. 1925.
S. B. WILLIAMS, JR
TELEPHONE SYSTEM Filed oct. 23, 1922 4l Sheets-Sheet 2 www@ www@
QNQQ
whk
/m/enr' Samue/ 5. VV/Y//ams J/f Api( Feb. 10. 1925. 1,525,787
. s. B. WILLIAMS, JR
TELEPHONE SYSTEM Filed oct. 23, i922 41 sheets-sheet /nvenon Samue/ 5. VV//l'dmSJe Feb. "10.11925,
S. B. WILLIAMS, JR
TELEPHONE SYSTEM Filed oct. 23 1922 41 sheets-Snleetl l il I llllllll Affi( Feb.` l0. 1925. Y 1,525,787
y 4 s. B. WILLIAMS, JR
TELEPHONE SYSTEM Filed oct. 23, 1922 1 sheets-sheet 5 /Hvenon' l Samue/ B. M////dms Jl.
Feb. 10. 1925. 1,525,787
s. B. WILLIAMS,- JR I TELEPHNE SYSTEM Filed oct. 25, 1922 41 Sheets-sheet e I flo/7 Maryi/qa/ S. B. WILLIAMS, JRy
Feb. 1o. 1925.
TELEPHONE SYSTEM Filed oct. 23. 1922 4l Sheets-Sheet 7 ff Am'f.
Feb. A l0` 1925.
1,525,787 s. B. WILLIAMS, JR
TELEPHONE SYSTEM Filed Oct. 23, 1922 4l Sheets-Shee /nl/enfo/f.' Samuel 5. l/I////l'dms Jn Feb. 1o. 1925.
s. B. WILLIAMS, -1R
TELEPHONE SYSTEM 4l Sheets-Sheet 9 Filed Oct. 23 1922 #wwe/#on 361/7706/ 5. Vl//Mfms L//r Feb. 10. 1925.
S. B. WILLIAMS, JR
TELEPHONE SYSTEM Filed 0G17. 23 l 1922 41 Sheets-Sheet l0' SAQ /m/eworO Samue/ 5. Vl////dms ./ff
Feb.. l0. 1925.
1,525,787 s. B. WILLIAMS, .JR
TELEPHONE SYST-EM Fi OC l Feb.- l0. 1925.
s. B. WILLIAMS, JR
TELEPHONE SYSTEM Filed Oct. 23, 1922 4l Sheets-Sheet 12 Affi( Feb. 1o. 1925. 1,525,787
s. B. WILLIAMS, JR
TELEPHONE SYSTEM Filed oct. 23, 1922 41 shea /hVen/r.' Samue/ 5; MQW/'ams df:
Feb. 10. l1925.
S. B. WILLIAMS, JR
TELEPHONE SYSTEM Filed oct. 2s, 192,2.l 41 sheets-sheet 14 Feb. l0. -1925. Ll1,525,787 s. B. WILLIAMS, JR v TELEPHONE SYSTEM Filed oct. 23, '1922 41 snee t 15 Feb. l0` 1925.
` 1,525,787 lS. B. WILLIAMS, JR
TELEPHONE SYS TEM Filed Oct. 23, 192.2 4l Sheets-Sheet 16 Illllll vSqfrvz/e/ Feb. 10.l 17925,
v S. B. WILLIAMS, JR
TELEPHONE SYSTEM Filed Oct. 23, 1922 Lil Sheets-Sheet 1'7 @my SQ 3% /Hve/vbf: Samue/ M/l//dms dlr Ang;
Feb. 10. 1925.
S. B. WILLIAMS, JR
TELEPHONE SYSTEM Filed Oct. 23, 192,2 4l Sheets-Sheet 18 /HVeHO/f" Samae/ 5. W//f'ams ./x JV S. B. WILLIAMS, JR
Feb.l l0. l 925.
TELEPHONE SYSTEM I 41 Sheets-Sheet 19 Filed Oct. 23. 1922 HYN bwk.
/HVeHfo/f: Sd/m/e/ .5 I/I////dms Jr l by f v Feb. 10.` 1925.
S. B. WILLIAMS, JR
TELEPHONE SYSTEM Filed Oct. 23, 1922 4l Sheets-Sheet 2O
US596178A 1922-10-23 1922-10-23 Telephone system Expired - Lifetime US1525787A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US596178A US1525787A (en) 1922-10-23 1922-10-23 Telephone system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US596178A US1525787A (en) 1922-10-23 1922-10-23 Telephone system

Publications (1)

Publication Number Publication Date
US1525787A true US1525787A (en) 1925-02-10

Family

ID=24386261

Family Applications (1)

Application Number Title Priority Date Filing Date
US596178A Expired - Lifetime US1525787A (en) 1922-10-23 1922-10-23 Telephone system

Country Status (1)

Country Link
US (1) US1525787A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2535509A (en) * 1942-08-06 1950-12-26 Automatic Elect Lab Party identification in automatic telephony
US2573889A (en) * 1948-12-14 1951-11-06 Hans P Boswau Automatic telephone switching mechanism

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2535509A (en) * 1942-08-06 1950-12-26 Automatic Elect Lab Party identification in automatic telephony
US2573889A (en) * 1948-12-14 1951-11-06 Hans P Boswau Automatic telephone switching mechanism

Similar Documents

Publication Publication Date Title
US1525787A (en) Telephone system
US2485351A (en) Automatic telephone system
US2225688A (en) Telephone testing circuit
US1950877A (en) Telephone system
US2734946A (en) Mercer
US3231681A (en) Automatic telecommunication switching systems
DE969866C (en) Circuit arrangement for telephone extension systems with the individual extensions associated with charge counters and query possibility
US1831387A (en) Dial switching rural telephone exchange system
US2807671A (en) Automatic telephone systems
US1505171A (en) Telephone-exchange system
US1997195A (en) Telephone exchange system
US2039654A (en) Telephone system
US1812617A (en) Telephone exchange system
GB293294A (en) Improvements in or relating to telephone systems
US1533182A (en) Telephone-exchange system
US1744013A (en) Telephone system
US1147389A (en) Automatic telephone system.
US2362448A (en) Crossbar switch system
GB334218A (en) Improvements in or relating to telephone systems
GB306922A (en) Improvements relating to automatic and semi-automatic telephone systems
US1677079A (en) Zone-metering telephone system
GB741204A (en) Telephone systems
US1754224A (en) Signaling system
US1675544A (en) Director circuits
GB462180A (en) Improvements in or relating to automatic or semi-automatic telephone or like exchange systems