Guide to STN Patent Databases – Basic Version - Paton - TU Ilmenau

A sub-
Work Unit
(Documentation unit)
= Record
Field (L)
Types of search
Sentence (S)
Sentence (S)
AND
OR
NOT
Figure: Proximity Operators in databases with static or dynamic concept
In databases with a segmented structure above all (L) proximity differs in its use:
Databases with file segmentation
Work Unit AND, OR, NOT
Record (L)
Field (P)
Paragraph (S) full text databases, e.g. EPFULL
Sentence (S)
Compound terms (A) = (N),
(W) = ()
Work Unit (Documentation unit)
Record (L)
Field (P)
Field (P)
Record (L)
Sentence (S)
Sentence (S)
AND
OR
NOT
Figure: Proximity operators in databases with segmented structure
This example shows the use of the (L) operator in INPADOCDB:
L1 ANSWER 1 OF 1 INPADOCDB COPYRIGHT 2007 EPO/FIZ KA on STN
AN 20203275 INPADOCDB UP 20061116 UW 200646
TI DREHPFLUG DER NONSTOP-BAUART.
TL German
IN NAUD,BERNHARD
INS NAUD BERNHARD, FR
PA CHARRUES NAUD
PAS NAUD EXPL CHARRUES, FR
DT Patent
PI DE 3522933 A1 19860109
PIT DEA1 DOC. LAID OPEN (FIRST PUBLICATION)
DAV 19860109 unexamined-printed-without-grant
STA PRE-GRANT PUBLICATION
AI DE 1985-3522933 A 19850627
AIT DEA Patent application
PRAI FR 1984-10577 A 19840629 (FRA)
PRAIT FRA Patent application
97